--- a
+++ b/db/ptlens.xml
@@ -0,0 +1,12551 @@
+<lensdatabase version="1">
+
+  <cameras>
+
+    <camera id="0" make="Canon" name="Pro1" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot Pro1">
+      <mount>canonPro1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="1" make="Canon" name="G6" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot G6">
+      <mount>canonG3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="2" make="Canon" name="G5" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot G5">
+      <mount>canonG3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="3" make="Canon" name="G3" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot G3">
+      <mount>canonG3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="4" make="Canon" name="G2" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot G2">
+      <mount>canonG2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="5" make="Canon" name="G1" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot G1">
+      <mount>canonG1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="6" make="Canon" name="SD550" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD550">
+      <mount>canonSD500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="7" make="Canon" name="IXUS 750" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 750">
+      <mount>canonSD500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="8" make="Canon" name="IXY Digital 700" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="IXY Digital 700">
+      <mount>canonSD500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="9" make="Canon" name="SD500" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD500">
+      <mount>canonSD500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="10" make="Canon" name="IXUS 700" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 700">
+      <mount>canonSD500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="11" make="Canon" name="IXY Digital 600" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="IXY Digital 600">
+      <mount>canonSD500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="12" make="Canon" name="SD450" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD450">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="13" make="Canon" name="Digital IXUS 55" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 55">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="14" make="Canon" name="SD400" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD400">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="15" make="Canon" name="IXY Digital 55" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 55">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="16" make="Canon" name="Digital IXUS 50" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 50">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="17" make="Canon" name="SD300" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD300">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="18" make="Canon" name="IXY Digital 50" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 50">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="19" make="Canon" name="Digital IXUS 40" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 40">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="20" make="Canon" name="SD200" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD200">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="21" make="Canon" name="IXY Digital 40" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 40">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="22" make="Canon" name="Digital IXUS 30" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 30">
+      <mount>canonSD200</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="23" make="Canon" name="S200" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S200">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="24" make="Canon" name="IXUS v2" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS v2">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="25" make="Canon" name="IXY Digital 200a" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 200a">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="26" make="Canon" name="SD110" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD110">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="27" make="Canon" name="IXUS II" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS II">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="28" make="Canon" name="IXY Digital 30" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 30">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="29" make="Canon" name="SD100" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD100">
+      <mount>canonIxusII</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="30" make="Canon" name="IXUS I" cropfactor="6.144000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS i">
+      <mount>canonIxusI</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="31" make="Canon" name="SD10" cropfactor="6.144000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot SD10">
+      <mount>canonIxusi</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="32" make="Canon" name="S500" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S500">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="33" make="Canon" name="IXUS 500" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 500">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="34" make="Canon" name="IXY DIGITAL 500" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 500">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="35" make="Canon" name="S410" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S410">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="36" make="Canon" name="IXUS 430" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 430">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="37" make="Canon" name="IXY DIGITAL 450" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 450">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="38" make="Canon" name="S400" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S400">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="39" make="Canon" name="IXUS 400" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon DIGITAL IXUS 400">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="40" make="Canon" name="IXY DIGITAL 400" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon IXY DIGITAL 400">
+      <mount>canonIxus400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="41" make="Canon" name="S80" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S80">
+      <mount>canonS70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="42" make="Canon" name="S70" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S70">
+      <mount>canonS70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="43" make="Canon" name="S60" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S60">
+      <mount>canonS70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="44" make="Canon" name="S50" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S50">
+      <mount>canonS30</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="45" make="Canon" name="S45" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S45">
+      <mount>canonS30</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="46" make="Canon" name="S40" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S40">
+      <mount>canonS30</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="47" make="Canon" name="S30" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S30">
+      <mount>canonS30</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="48" make="Canon" name="A620" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A620">
+      <mount>canonA610</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="49" make="Canon" name="A610" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A610">
+      <mount>canonA610</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="50" make="Canon" name="A520" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A520">
+      <mount>canonA510</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="51" make="Canon" name="A510" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A510">
+      <mount>canonA510</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="52" make="Canon" name="A95" cropfactor="4.850000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A95">
+      <mount>canonA80</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="53" make="Canon" name="A80" cropfactor="4.850000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A80">
+      <mount>canonA80</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="54" make="Canon" name="A85" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A85">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="55" make="Canon" name="A75" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A75">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="56" make="Canon" name="A70" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A70">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="57" make="Canon" name="A60" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A60">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="58" make="Canon" name="A40" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A40">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="59" make="Canon" name="A30" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A30">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="60" make="Canon" name="A20" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A20">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="61" make="Canon" name="A10" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot A10">
+      <mount>canonA70</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="62" make="Canon" name="S2" cropfactor="6.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S2 IS">
+      <mount>canonS2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="63" make="Canon" name="S1" cropfactor="6.560000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot S1 IS">
+      <mount>canonS1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="64" make="Canon" name="Pro90 IS" cropfactor="5.280000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon PowerShot Pro90 IS">
+      <mount>canonPro90</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="65" make="Canon SLR" name="EOS 5D" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS 5D">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="66" make="Canon SLR" name="EOS-1Ds" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS-1DS">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="67" make="Canon SLR" name="EOS-1Ds *" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS-1Ds">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="68" make="Canon SLR" name="EOS-1Ds Mark II" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS-1Ds Mark II">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="69" make="Canon SLR" name="EOS-1D Mark II N" cropfactor="1.300000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS-1D Mark II N">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="70" make="Canon SLR" name="EOS-1D Mark II" cropfactor="1.300000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS-1D Mark II">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="71" make="Canon SLR" name="EOS-1D Mark II *" cropfactor="1.300000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon EOS-1D Mark II">
+      <exif key="Exif.Image.Model" type="Ascii" value="EOS-1D Mark II">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="72" make="Canon SLR" name="EOS-1D" cropfactor="1.300000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS-1D">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="73" make="Canon SLR" name="Digital Rebel XT" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS DIGITAL REBEL XT">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="74" make="Canon SLR" name="Digital Rebel" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS DIGITAL REBEL">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="75" make="Canon SLR" name="EOS 350D" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS 350D DIGITAL">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="76" make="Canon SLR" name="EOS 350D *" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS 350D">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="77" make="Canon SLR" name="EOS 300D" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS 300D DIGITAL">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="78" make="Canon SLR" name="Digital Kiss N" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS Kiss Digital N">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="79" make="Canon SLR" name="Digital Kiss" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS Kiss Digital">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="80" make="Canon SLR" name="EOS 20D" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS 20D">
+      <mount>canonEfsSLR</mount>
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="81" make="Canon SLR" name="EOS 10D" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS 10D">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="82" make="Canon SLR" name="EOS D60" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS D60">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="83" make="Canon SLR" name="EOS D30" cropfactor="1.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Canon">
+      <exif key="Exif.Image.Model" type="Ascii" value="Canon EOS D30">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="84" make="Kodak SLR" name="DCS Pro SLR/c" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="DCS Pro SLR/c">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="85" make="Kodak SLR" name="Kodak DCS Pro SLR/c" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="Kodak DCS Pro SLR/c">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="86" make="Canon SLR" name="35mm film: full frame" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>canonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="87" make="Contax SLR" name="35mm film: full frame" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>contaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="88" make="Casio" name="EX-Z750" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-Z750">
+      <mount>casioZ750</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="89" make="Casio" name="EX-P700" cropfactor="4.650000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-P700">
+      <mount>casioP600</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="90" make="Casio" name="EX-P600" cropfactor="4.650000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-P600">
+      <mount>casioP600</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="91" make="Casio" name="EX-Z4" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-Z4">
+      <mount>casioZ4</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="92" make="Casio" name="EX-Z3" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-Z3">
+      <mount>casioZ4</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="93" make="Casio" name="EX-Z55" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-Z55">
+      <mount>casioZ4</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="94" make="Casio" name="EX-Z40" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-Z40">
+      <mount>casioZ4</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="95" make="Casio" name="EX-Z30" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO COMPUTER CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="EX-Z30">
+      <mount>casioZ4</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="96" make="Casio" name="QV-4000" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO">
+      <exif key="Exif.Image.Model" type="Ascii" value="QV-4000">
+      <mount>canonG2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="97" make="Casio" name="QV-3500EX" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO">
+      <exif key="Exif.Image.Model" type="Ascii" value="QV-3500EX">
+      <mount>casioQV3500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="98" make="Casio" name="QV-3000EX" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="CASIO">
+      <exif key="Exif.Image.Model" type="Ascii" value="QV-3000EX">
+      <mount>casioQV3500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="99" make="Fujifilm" name="F11" cropfactor="4.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix F11">
+      <mount>fujiF11</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="100" make="Fujifilm" name="F10" cropfactor="4.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix F10">
+      <mount>fujiF11</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="101" make="Fujifilm" name="S9000" cropfactor="4.480000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S9000">
+      <mount>fujiS9000</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="102" make="Fujifilm" name="S9500" cropfactor="4.480000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S9500">
+      <mount>fujiS9000</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="103" make="Fujifilm" name="S5500" cropfactor="6.491000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S5500">
+      <mount>fujiS5500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="104" make="Fujifilm" name="S5100" cropfactor="6.491000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S5100">
+      <mount>fujiS5500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="105" make="Fujifilm" name="S7000" cropfactor="4.487000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S7000">
+      <mount>fuji602</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="106" make="Fujifilm" name="S20 Pro" cropfactor="4.487000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S20Pro">
+      <mount>fuji602</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="107" make="Fujifilm" name="S602" cropfactor="4.487000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S602 ZOOM">
+      <mount>fuji602</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="108" make="Fujifilm" name="F601" cropfactor="4.487000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix F601 ZOOM">
+      <mount>fuji601</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="109" make="Fujifilm" name="F810" cropfactor="4.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix F810">
+      <mount>fuji810</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="110" make="Fujifilm" name="F810 widescreen mode" cropfactor="4.900000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix F810">
+      <mount>fuji810</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="111" make="Fujifilm" name="F710" cropfactor="4.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix F710">
+      <mount>fuji810</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="112" make="Fujifilm" name="E550" cropfactor="4.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix E550">
+      <mount>fuji810</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="113" make="Fujifilm" name="3800" cropfactor="6.333333">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix 3800">
+      <mount>fuji2800</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="114" make="Fujifilm" name="S304" cropfactor="6.333333">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S304">
+      <mount>fuji2800</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="115" make="Fujifilm" name="S3000" cropfactor="6.333333">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S3000">
+      <mount>fuji2800</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="116" make="Fujifilm" name="2800Z" cropfactor="6.333333">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix2800ZOOM">
+      <mount>fuji2800</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="117" make="Konica Minolta" name="DiMAGE Z6" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z6">
+      <mount>kmZ3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="118" make="Konica Minolta" name="DiMAGE Z5" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z5">
+      <mount>kmZ3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="119" make="Konica Minolta" name="DiMAGE Z3" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z3">
+      <mount>kmZ3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="120" make="Konica Minolta" name="DiMAGE Z2" cropfactor="6.030000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Konica Minolta Camera, Inc.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z2">
+      <mount>kmZ2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="121" make="Konica Minolta" name="DiMAGE Z1" cropfactor="6.545000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z1">
+      <mount>kmZ1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="122" make="Konica Minolta" name="DiMAGE Z20" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z20">
+      <mount>kmZ10</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="123" make="Konica Minolta" name="DiMAGE Z10" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Z10">
+      <mount>kmZ10</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="124" make="Konica Minolta" name="DiMAGE A200" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE A200">
+      <mount>kmD7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="125" make="Konica Minolta" name="DiMAGE A2" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Konica Minolta Camera, Inc.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE A2">
+      <mount>kmD7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="126" make="Konica Minolta" name="DiMAGE A1" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE A1">
+      <mount>kmD7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="127" make="Konica Minolta" name="DiMAGE 7Hi" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE 7Hi">
+      <mount>kmD7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="128" make="Konica Minolta" name="DiMAGE 7i" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE 7i">
+      <mount>kmD7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="129" make="Konica Minolta" name="DiMAGE 7" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE 7">
+      <mount>kmD7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="130" make="Konica Minolta" name="DiMAGE Xt" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Xt">
+      <mount>kmXt</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="131" make="Konica Minolta" name="DiMAGE Xi" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE Xi">
+      <mount>kmXt</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="132" make="Konica Minolta" name="DiMAGE X" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Minolta Co., Ltd.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE X">
+      <mount>kmXt</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="133" make="Konica Minolta" name="DiMAGE G400" cropfactor="6.144000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA CAMERA, Inc.">
+      <exif key="Exif.Image.Model" type="Ascii" value="DiMAGE G400">
+      <mount>kmG400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="134" make="Konica Minolta" name="KD-420Z" cropfactor="6.144000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA CAMERA, Inc.">
+      <exif key="Exif.Image.Model" type="Ascii" value="Revio KD-420Z">
+      <mount>kmG400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="135" make="Konica Minolta SLR" name="MAXXUM 5D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="MAXXUM 5D">
+      <mount>minoltaSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="136" make="Konica Minolta SLR" name="DYNAX 5D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DYNAX 5D">
+      <mount>minoltaSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="137" make="Konica Minolta SLR" name="Dynax 5D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="Dynax 5D">
+      <mount>minoltaSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="138" make="Konica Minolta SLR" name="MAXXUM 7D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="MAXXUM 7D">
+      <mount>minoltaSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="139" make="Konica Minolta SLR" name="DYNAX 7D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DYNAX 7D">
+      <mount>minoltaSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="140" make="Konica Minolta SLR" name="Dynax 7D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="KONICA MINOLTA">
+      <exif key="Exif.Image.Model" type="Ascii" value="Dynax 7D">
+      <mount>minoltaSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="141" make="Leica" name="Digilux 2" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="LEICA">
+      <exif key="Exif.Image.Model" type="Ascii" value="DIGILUX 2">
+      <mount>leicaDigilux2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="142" make="Leica" name="D-LUX 2 (16:9)" cropfactor="4.450000">
+      <exif key="Exif.Image.Make" type="Ascii" value="LEICA">
+      <exif key="Exif.Image.Model" type="Ascii" value="D-LUX2">
+      <mount>panasonicLX1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="143" make="Nikon" name="CP8800" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E8800">
+      <mount>nikon8800</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="144" make="Nikon" name="CP8400" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E8400">
+      <mount>nikon8400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="145" make="Nikon" name="CP8700" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E8700">
+      <mount>nikon5700</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="146" make="Nikon" name="CP5700" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E5700">
+      <mount>nikon5700</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="147" make="Nikon" name="CP7900" cropfactor="4.860000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E7900">
+      <mount>nikon7900</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="148" make="Nikon" name="CP7600" cropfactor="4.860000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E7600">
+      <mount>nikon7900</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="149" make="Nikon" name="CP5900" cropfactor="4.860000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E5900">
+      <mount>nikon7900</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="150" make="Nikon" name="CP5200" cropfactor="4.860000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E5200">
+      <mount>nikon7900</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="151" make="Nikon" name="CP4200" cropfactor="4.860000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E4200">
+      <mount>nikon7900</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="152" make="Nikon" name="CP5400" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E5400">
+      <mount>nikon5400</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="153" make="Nikon" name="CP5000" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E5000">
+      <mount>nikon5000</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="154" make="Nikon" name="CP4800" cropfactor="6.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E4800">
+      <mount>nikon4800</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="155" make="Nikon" name="CP4500" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E4500">
+      <mount>nikon4500</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="156" make="Nikon" name="CP995" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E995">
+      <mount>nikon995</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="157" make="Nikon" name="CP990" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E990">
+      <mount>nikon990</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="158" make="Nikon" name="CP950" cropfactor="5.408000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="E950">
+      <mount>nikon950</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="159" make="Nikon SLR" name="D200" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D200">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="160" make="Nikon SLR" name="D50" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D50">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="161" make="Nikon SLR" name="D70s" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D70s">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="162" make="Nikon SLR" name="D70S" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D70S">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="163" make="Nikon SLR" name="D70" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D70">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="164" make="Nikon SLR" name="D70 *" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Nikon">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D70">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="165" make="Nikon SLR" name="D70 **" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON D70">
+      <exif key="Exif.Image.Model" type="Ascii" value="D70">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="166" make="Nikon SLR" name="D70 ***" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON">
+      <exif key="Exif.Image.Model" type="Ascii" value="D70">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="167" make="Nikon SLR" name="D100" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D100">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="168" make="Nikon SLR" name="D100 *" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON D100">
+      <exif key="Exif.Image.Model" type="Ascii" value="D100">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="169" make="Nikon SLR" name="D2Hs" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D2Hs">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="170" make="Nikon SLR" name="D2H" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D2H">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="171" make="Nikon SLR" name="D1H" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D1H">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="172" make="Nikon SLR" name="D2X" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D2X">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="173" make="Nikon SLR" name="D1X" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D1X">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="174" make="Nikon SLR" name="D1" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="NIKON CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="NIKON D1">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="175" make="Fujifilm SLR" name="S3" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePix S3Pro">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="176" make="Fujifilm SLR" name="S2" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePixS2Pro">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="177" make="Fujifilm SLR" name="S1" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="FUJIFILM">
+      <exif key="Exif.Image.Model" type="Ascii" value="FinePixS1Pro">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="178" make="Kodak SLR" name="DCS-14n" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="DCS Pro 14N">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="179" make="Kodak SLR" name="Kodak DCS-14n" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="Kodak DCS Pro 14N">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="180" make="Kodak SLR" name="DCS Pro SLR/n" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="DCS Pro SLR/n">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="181" make="Kodak SLR" name="Kodak DCS Pro SLR/n" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="Kodak DCS Pro SLR/n">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="182" make="Kodak SLR" name="Kodak DCS Pro 14nx" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="Kodak DCS Pro 14nx">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="183" make="Kodak SLR" name="DCS Pro 14nx" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Kodak">
+      <exif key="Exif.Image.Model" type="Ascii" value="DCS Pro 14nx">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="184" make="Nikon SLR" name="35mm film: full frame" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>nikonSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="185" make="Olympus" name="C-8080WZ" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="C8080WZ">
+      <mount>olympus8080</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="186" make="Olympus" name="Stylus Verve S" cropfactor="6.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS IMAGING CORP.">
+      <exif key="Exif.Image.Model" type="Ascii" value="u-miniD,Stylus V">
+      <mount>olympusStylusV</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="187" make="Olympus" name="C-7000Z" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS IMAGING CORP.">
+      <exif key="Exif.Image.Model" type="Ascii" value="C70Z,C7000Z">
+      <mount>olympus7000</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="188" make="Olympus" name="C-4000Z" cropfactor="4.920000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C4100Z,C4000Z">
+      <mount>olympus4000</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="189" make="Olympus" name="C-4100Z" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C4100Z,C4000Z">
+      <mount>olympus4000</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="190" make="Olympus" name="C-50" cropfactor="4.900000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="X-2,C-50Z">
+      <mount>olympusC50</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="191" make="Olympus" name="C-750UZ" cropfactor="6.030000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C750UZ">
+      <mount>olympus750</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="192" make="Olympus" name="C-730UZ" cropfactor="6.520000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C730UZ">
+      <mount>olympus700</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="193" make="Olympus" name="C-700UZ" cropfactor="6.520000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C700UZ">
+      <mount>olympus700</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="194" make="Olympus" name="C-7070WZ" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS IMAGING CORP.">
+      <exif key="Exif.Image.Model" type="Ascii" value="C7070WZ">
+      <mount>olympus5060</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="195" make="Olympus" name="C-7070WZ *" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="C7070WZ">
+      <mount>olympus5060</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="196" make="Olympus" name="C-5060WZ" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="C5060WZ">
+      <mount>olympus5060</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="197" make="Olympus" name="C-5050Z" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C5050Z">
+      <mount>olympus2040</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="198" make="Olympus" name="C-4040Z" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C4040Z">
+      <mount>olympus2040</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="199" make="Olympus" name="C-3040Z" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C3040Z">
+      <mount>olympus2040</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="200" make="Olympus" name="C-2040Z" cropfactor="4.930000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C2040Z">
+      <mount>olympus2040</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="201" make="Olympus" name="C-860L" cropfactor="6.563000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="C860L,D360L">
+      <mount>olympusC860</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="202" make="Olympus" name="mju-II" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>olympusEpic</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="203" make="Olympus" name="Stylus Epic" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>olympusEpic</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="204" make="Olympus SLR" name="E-500" cropfactor="2.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS IMAGING CORP.">
+      <exif key="Exif.Image.Model" type="Ascii" value="E-500">
+      <mount>olympusSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="205" make="Olympus SLR" name="E-330" cropfactor="2.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS IMAGING CORP.">
+      <exif key="Exif.Image.Model" type="Ascii" value="E-330">
+      <mount>olympusSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="206" make="Olympus SLR" name="E-300" cropfactor="2.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS IMAGING CORP.">
+      <exif key="Exif.Image.Model" type="Ascii" value="E-300">
+      <mount>olympusSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="207" make="Olympus SLR" name="E-1" cropfactor="2.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS CORPORATION">
+      <exif key="Exif.Image.Model" type="Ascii" value="E-1">
+      <mount>olympusSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="208" make="Olympus SLR" name="E-20" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="E-20,E-20N,E-20P">
+      <mount>olympusE10</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="209" make="Olympus SLR" name="E-10" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="OLYMPUS OPTICAL CO.,LTD">
+      <exif key="Exif.Image.Model" type="Ascii" value="E-10">
+      <mount>olympusE10</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="210" make="Panasonic" name="DMC-LX1 (16:9)" cropfactor="4.450000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-LX1">
+      <mount>panasonicLX1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="211" make="Panasonic" name="DMC-LC1" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-LC1">
+      <mount>leicaDigilux2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="212" make="Panasonic" name="DMC-LZ2" cropfactor="6.060000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-LZ2">
+      <mount>panasonicLZ2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="213" make="Panasonic" name="DMC-LZ1" cropfactor="6.060000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-LZ1">
+      <mount>panasonicLZ2</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="214" make="Panasonic" name="DMC-FX9" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FX9">
+      <mount>panasonicFX7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="215" make="Panasonic" name="DMC-FX8" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FX8">
+      <mount>panasonicFX7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="216" make="Panasonic" name="DMC-FX7" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FX7">
+      <mount>panasonicFX7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="217" make="Panasonic" name="DMC-FX2" cropfactor="6.050000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FX2">
+      <mount>panasonicFX7</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="218" make="Panasonic" name="DMC-FZ30" cropfactor="4.730000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FZ30">
+      <mount>panasonicFZ30</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="219" make="Panasonic" name="DMC-FZ20" cropfactor="6.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FZ20">
+      <mount>panasonicFZ10</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="220" make="Panasonic" name="DMC-FZ10" cropfactor="5.840000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FZ10">
+      <mount>panasonicFZ10</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="221" make="Panasonic" name="DMC-FZ5" cropfactor="6.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FZ5">
+      <mount>panasonicFZ5</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="222" make="Panasonic" name="DMC-FZ3" cropfactor="7.600000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Panasonic">
+      <exif key="Exif.Image.Model" type="Ascii" value="DMC-FZ3">
+      <mount>panasonicFZ3</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="223" make="Pentax" name="Optio 43WR" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 43WR">
+      <mount>pentax43WR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="224" make="Pentax" name="Optio 750" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 750Z">
+      <mount>pentax750</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="225" make="Pentax" name="Optio 555" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 555">
+      <mount>pentax750</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="226" make="Pentax" name="Optio 550" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 550">
+      <mount>pentax750</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="227" make="Pentax" name="Optio 450" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 450">
+      <mount>pentax750</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="228" make="Pentax" name="Optio 33LF" cropfactor="6.563000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 33LF">
+      <mount>pentax230</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="229" make="Pentax" name="Optio 33L" cropfactor="6.563000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 33L">
+      <mount>pentax230</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="230" make="Pentax" name="Optio 330GS" cropfactor="6.563000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 330GS">
+      <mount>pentax230</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="231" make="Pentax" name="Optio 230GS" cropfactor="6.563000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 330GS">
+      <mount>pentax230</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="232" make="Pentax" name="Optio 430" cropfactor="4.850000">
+      <exif key="Exif.Image.Make" type="Ascii" value="Asahi Optical Co.,Ltd">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX Optio 430">
+      <mount>pentax430</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="233" make="Pentax SLR" name="*ist DL2" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX *ist DL2">
+      <mount>pentaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="234" make="Pentax SLR" name="*ist DL" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX *ist DL">
+      <mount>pentaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="235" make="Pentax SLR" name="*ist DS2" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX *ist DS2">
+      <mount>pentaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="236" make="Pentax SLR" name="*ist DS" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX *ist DS">
+      <mount>pentaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="237" make="Pentax SLR" name="*ist D" cropfactor="1.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="PENTAX Corporation">
+      <exif key="Exif.Image.Model" type="Ascii" value="PENTAX *ist D">
+      <mount>pentaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="238" make="Pentax SLR" name="35mm film: full frame" cropfactor="1.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>pentaxSLR</mount>
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="239" make="Ricoh" name="GR Digital" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="RICOH">
+      <exif key="Exif.Image.Model" type="Ascii" value="GR Digital">
+      <mount>ricohGR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="240" make="Ricoh" name="Caplio GX8" cropfactor="4.900000">
+      <exif key="Exif.Image.Make" type="Ascii" value="RICOH">
+      <exif key="Exif.Image.Model" type="Ascii" value="Caplio GX8">
+      <mount>ricohGX</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="241" make="Ricoh" name="Caplio GX" cropfactor="4.900000">
+      <exif key="Exif.Image.Make" type="Ascii" value="RICOH">
+      <exif key="Exif.Image.Model" type="Ascii" value="Caplio GX">
+      <mount>ricohGX</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="242" make="Ricoh" name="Caplio RR30" cropfactor="6.400000">
+      <exif key="Exif.Image.Make" type="Ascii" value="RICOH">
+      <exif key="Exif.Image.Model" type="Ascii" value="Caplio RR30">
+      <mount>ricohRR30</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="243" make="Sigma SLR" name="SD10" cropfactor="1.700000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SIGMA">
+      <exif key="Exif.Image.Model" type="Ascii" value="SIGMA SD10">
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="244" make="Sigma SLR" name="SD9" cropfactor="1.700000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SIGMA">
+      <exif key="Exif.Image.Model" type="Ascii" value="SIGMA SD9">
+      <mount>genericSLR</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="245" make="Sony" name="DSC-R1" cropfactor="1.680000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-R1">
+      <mount>sonyR1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="246" make="Sony" name="DSC-H1" cropfactor="6.000000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-H1">
+      <mount>sonyH1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="247" make="Sony" name="DSC-F828" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-F828">
+      <mount>sony828</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="248" make="Sony" name="DSC-F717" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="CYBERSHOT">
+      <mount>sony707</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="249" make="Sony" name="DSC-F707" cropfactor="3.933000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="CYBERSHOT">
+      <mount>sony707</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="250" make="Sony" name="DSC-P200" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-P200">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="251" make="Sony" name="DSC-P150" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-P150">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="252" make="Sony" name="DSC-P100" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-P100">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="253" make="Sony" name="DSC-P93" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-P93">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="254" make="Sony" name="DSC-W12" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-W12">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="255" make="Sony" name="DSC-W7" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-W7">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="256" make="Sony" name="DSC-W15" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-W15">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="257" make="Sony" name="DSC-W5" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-W5">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="258" make="Sony" name="DSC-W1" cropfactor="4.800000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-W1">
+      <mount>sonyW1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="259" make="Sony" name="DSC-V3" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-V3">
+      <mount>sonyV1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="260" make="Sony" name="DSC-V1" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-V1">
+      <mount>sonyV1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="261" make="Sony" name="DSC-T1" cropfactor="5.650000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-T1">
+      <mount>sonyT1</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="262" make="Sony" name="DSC-S85" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="CYBERSHOT">
+      <mount>sonyS85</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="263" make="Sony" name="DSC-S75" cropfactor="4.843000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="CYBERSHOT">
+      <mount>sonyS85</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="264" make="Sony" name="DSC-S90" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-S90">
+      <mount>sonyS60</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="265" make="Sony" name="DSC-ST80" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-ST80">
+      <mount>sonyS60</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="266" make="Sony" name="DSC-S80" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-S80">
+      <mount>sonyS60</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="267" make="Sony" name="DSC-S60" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-S60">
+      <mount>sonyS60</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="268" make="Sony" name="DSC-P73" cropfactor="6.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="SONY">
+      <exif key="Exif.Image.Model" type="Ascii" value="DSC-P73">
+      <mount>sonyS60</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="269" make="Mamiya 645" name="All models" cropfactor="0.577000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>mamiya645</mount>
+      <mount>generic645</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="270" make="Phase One" name="P 25" cropfactor="0.577000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>mamiya645</mount>
+      <mount>generic645</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+    <camera id="271" make="Rolleiflex" name="2.8E" cropfactor="0.500000">
+      <exif key="Exif.Image.Make" type="Ascii" value="none">
+      <exif key="Exif.Image.Model" type="Ascii" value="none">
+      <mount>rollei6x6</mount>
+      <comment>Origin: PTLens database, Thomas Niemann</comment>
+    </camera>
+
+  </cameras>
+
+
+  <lenses>
+    <lens
+      id="0"
+      name="Standard"
+      mount="canonPro1"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.188000">
+            <distortion a="0.018390"  b="-0.045350" c="0.000000"/>
+          </focallength>
+          <focallength value="8.875000">
+            <distortion a="0.016286"  b="-0.032262" c="0.000000"/>
+          </focallength>
+          <focallength value="10.125000">
+            <distortion a="0.005988"  b="-0.010532" c="0.000000"/>
+          </focallength>
+          <focallength value="11.500000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="50.813000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="1"
+      name="Standard"
+      mount="canonG3"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.188000">
+            <distortion a="0.013088"  b="-0.036387" c="0.000000"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="0.013092"  b="-0.031149" c="0.000000"/>
+          </focallength>
+          <focallength value="9.094000">
+            <distortion a="0.009637"  b="-0.019881" c="0.000000"/>
+          </focallength>
+          <focallength value="10.188000">
+            <distortion a="0.009830"  b="-0.017385" c="0.000000"/>
+          </focallength>
+          <focallength value="11.188000">
+            <distortion a="0.005089"  b="-0.006514" c="0.000000"/>
+          </focallength>
+          <focallength value="14.406000">
+            <distortion a="0.001788"  b="0.002050" c="0.000000"/>
+          </focallength>
+          <focallength value="17.594000">
+            <distortion a="0.001189"  b="0.002614" c="0.000000"/>
+          </focallength>
+          <focallength value="20.688000">
+            <distortion a="0.000468"  b="0.003817" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.000298"  b="0.002720" c="0.000000"/>
+          </focallength>
+          <focallength value="25.094000">
+            <distortion a="0.002740"  b="-0.002048" c="0.000000"/>
+          </focallength>
+          <focallength value="28.813000">
+            <distortion a="-0.000086"  b="0.005193" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="2"
+      name="WC-DC58N"
+      mount="canonG3"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.190000">
+            <distortion a="0.016762"  b="-0.065439" c="0.000000"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="0.015048"  b="-0.055117" c="0.000000"/>
+          </focallength>
+          <focallength value="9.090000">
+            <distortion a="0.013772"  b="-0.045475" c="0.000000"/>
+          </focallength>
+          <focallength value="10.200000">
+            <distortion a="0.008903"  b="-0.030862" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="3"
+      name="Standard"
+      mount="canonG2"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.019660"  b="-0.051543" c="0.000000"/>
+          </focallength>
+          <focallength value="7.500000">
+            <distortion a="0.017130"  b="-0.044177" c="0.000000"/>
+          </focallength>
+          <focallength value="8.313000">
+            <distortion a="0.013359"  b="-0.032611" c="0.000000"/>
+          </focallength>
+          <focallength value="9.313000">
+            <distortion a="0.008320"  b="-0.020187" c="0.000000"/>
+          </focallength>
+          <focallength value="10.688000">
+            <distortion a="0.006918"  b="-0.015168" c="0.000000"/>
+          </focallength>
+          <focallength value="12.500000">
+            <distortion a="0.002267"  b="-0.005193" c="0.000000"/>
+          </focallength>
+          <focallength value="14.594000">
+            <distortion a="0.003567"  b="-0.007044" c="0.000000"/>
+          </focallength>
+          <focallength value="16.813000">
+            <distortion a="0.000696"  b="-0.001567" c="0.000000"/>
+          </focallength>
+          <focallength value="18.813000">
+            <distortion a="0.000325"  b="-0.000456" c="0.000000"/>
+          </focallength>
+          <focallength value="20.313000">
+            <distortion a="0.002300"  b="-0.003959" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.001324"  b="-0.001200" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="4"
+      name="Geobartic 0.5x Converter"
+      mount="canonG2"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.500000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.000000"  b="-0.030599" c="-0.037374"/>
+          </focallength>
+          <focallength value="7.500000">
+            <distortion a="0.000000"  b="-0.023359" c="-0.040861"/>
+          </focallength>
+          <focallength value="8.313000">
+            <distortion a="0.000000"  b="-0.016976" c="-0.035516"/>
+          </focallength>
+          <focallength value="10.688000">
+            <distortion a="0.000000"  b="-0.009919" c="-0.016346"/>
+          </focallength>
+          <focallength value="12.500000">
+            <distortion a="0.000000"  b="-0.002436" c="-0.026822"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="5"
+      name="Standard"
+      mount="canonG1"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.013759"  b="-0.037638" c="0.000000"/>
+          </focallength>
+          <focallength value="9.344000">
+            <distortion a="0.006407"  b="-0.013665" c="0.000000"/>
+          </focallength>
+          <focallength value="10.750000">
+            <distortion a="0.000000"  b="0.004427" c="-0.008376"/>
+          </focallength>
+          <focallength value="12.500000">
+            <distortion a="0.000000"  b="0.001899" c="0.000000"/>
+          </focallength>
+          <focallength value="18.781000">
+            <distortion a="0.000000"  b="0.003174" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.000000"  b="0.003938" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="6"
+      name="Standard"
+      mount="canonSD500"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.700000">
+            <distortion a="0.006629"  b="-0.024613" c="0.000000"/>
+          </focallength>
+          <focallength value="9.028000">
+            <distortion a="0.003590"  b="-0.017262" c="0.000000"/>
+          </focallength>
+          <focallength value="10.487000">
+            <distortion a="0.000000"  b="-0.008536" c="0.000000"/>
+          </focallength>
+          <focallength value="12.523000">
+            <distortion a="0.000000"  b="-0.006646" c="0.000000"/>
+          </focallength>
+          <focallength value="15.599000">
+            <distortion a="0.000000"  b="-0.003511" c="0.000000"/>
+          </focallength>
+          <focallength value="18.775999">
+            <distortion a="0.000000"  b="-0.001002" c="0.000000"/>
+          </focallength>
+          <focallength value="23.100000">
+            <distortion a="0.000000"  b="0.000834" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="7"
+      name="Standard"
+      mount="canonSD200"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.009753"  b="-0.025366" c="0.000000"/>
+          </focallength>
+          <focallength value="7.109000">
+            <distortion a="0.000000"  b="-0.008832" c="0.000000"/>
+          </focallength>
+          <focallength value="8.462000">
+            <distortion a="0.000000"  b="-0.007422" c="0.000000"/>
+          </focallength>
+          <focallength value="10.093000">
+            <distortion a="0.000000"  b="-0.006845" c="0.000000"/>
+          </focallength>
+          <focallength value="14.421000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="17.400000">
+            <distortion a="0.000000"  b="0.001424" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="8"
+      name="Standard"
+      mount="canonIxusII"
+      calib_cropfactor="6.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.406000">
+            <distortion a="0.000000"  b="-0.009326" c="0.000000"/>
+          </focallength>
+          <focallength value="6.719000">
+            <distortion a="0.000000"  b="-0.005177" c="0.000000"/>
+          </focallength>
+          <focallength value="7.938000">
+            <distortion a="0.000000"  b="-0.005364" c="0.000000"/>
+          </focallength>
+          <focallength value="9.188000">
+            <distortion a="0.000000"  b="-0.004363" c="0.000000"/>
+          </focallength>
+          <focallength value="10.813000">
+            <distortion a="0.000000"  b="-0.003325" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="9"
+      name="Standard"
+      mount="canonIxusI"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.406000">
+            <distortion a="0.000000"  b="-0.007998" c="-0.009906"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="10"
+      name="Standard"
+      mount="canonIxus400"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.406000">
+            <distortion a="0.009324"  b="-0.031740" c="0.000000"/>
+          </focallength>
+          <focallength value="9.094000">
+            <distortion a="0.002330"  b="-0.016863" c="0.000000"/>
+          </focallength>
+          <focallength value="10.813000">
+            <distortion a="0.001054"  b="-0.010680" c="0.000000"/>
+          </focallength>
+          <focallength value="12.875000">
+            <distortion a="-0.000662"  b="-0.005582" c="0.000000"/>
+          </focallength>
+          <focallength value="15.438000">
+            <distortion a="-0.001583"  b="-0.001308" c="0.000000"/>
+          </focallength>
+          <focallength value="18.344000">
+            <distortion a="-0.001857"  b="-0.000032" c="0.000000"/>
+          </focallength>
+          <focallength value="22.219000">
+            <distortion a="0.000440"  b="-0.003014" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="11"
+      name="Tiffen MegaPlus 0.56 Converter"
+      mount="canonIxus400"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.560000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.406000">
+            <distortion a="0.020376"  b="-0.071126" c="0.000000"/>
+          </focallength>
+          <focallength value="9.094000">
+            <distortion a="0.007209"  b="-0.039397" c="0.000000"/>
+          </focallength>
+          <focallength value="10.813000">
+            <distortion a="0.011956"  b="-0.043268" c="0.000000"/>
+          </focallength>
+          <focallength value="12.875000">
+            <distortion a="0.004586"  b="-0.023343" c="0.000000"/>
+          </focallength>
+          <focallength value="15.438000">
+            <distortion a="-0.000285"  b="-0.006557" c="0.000000"/>
+          </focallength>
+          <focallength value="18.344000">
+            <distortion a="-0.002035"  b="-0.002635" c="0.000000"/>
+          </focallength>
+          <focallength value="22.219000">
+            <distortion a="0.005671"  b="-0.017739" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="12"
+      name="Standard"
+      mount="canonS70"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.813000">
+            <distortion a="0.018497"  b="-0.049501" c="0.000000"/>
+          </focallength>
+          <focallength value="7.281000">
+            <distortion a="0.009117"  b="-0.029053" c="0.000000"/>
+          </focallength>
+          <focallength value="8.563000">
+            <distortion a="0.002901"  b="-0.013311" c="0.000000"/>
+          </focallength>
+          <focallength value="9.906000">
+            <distortion a="0.001689"  b="-0.008652" c="0.000000"/>
+          </focallength>
+          <focallength value="11.406000">
+            <distortion a="0.000000"  b="-0.003460" c="0.000000"/>
+          </focallength>
+          <focallength value="13.156000">
+            <distortion a="0.000000"  b="-0.001674" c="0.000000"/>
+          </focallength>
+          <focallength value="15.156000">
+            <distortion a="0.000000"  b="-0.001123" c="0.000000"/>
+          </focallength>
+          <focallength value="17.469000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="20.688000">
+            <distortion a="0.000000"  b="0.000898" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="13"
+      name="Canon TC-DC 10 2x Converter"
+      mount="canonS70"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="2.000000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="13.156000">
+            <distortion a="0.000000"  b="0.002149" c="0.000000"/>
+          </focallength>
+          <focallength value="15.156000">
+            <distortion a="0.000000"  b="0.002300" c="0.000000"/>
+          </focallength>
+          <focallength value="17.469000">
+            <distortion a="0.000000"  b="0.002178" c="0.000000"/>
+          </focallength>
+          <focallength value="20.688000">
+            <distortion a="0.000000"  b="0.002601" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="14"
+      name="Standard"
+      mount="canonS30"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.094000">
+            <distortion a="0.007715"  b="-0.026731" c="0.000000"/>
+          </focallength>
+          <focallength value="8.625000">
+            <distortion a="0.002869"  b="-0.017441" c="0.000000"/>
+          </focallength>
+          <focallength value="10.313000">
+            <distortion a="-0.002159"  b="-0.005133" c="0.000000"/>
+          </focallength>
+          <focallength value="12.281000">
+            <distortion a="-0.000263"  b="-0.008304" c="0.000000"/>
+          </focallength>
+          <focallength value="14.719000">
+            <distortion a="-0.000643"  b="-0.004951" c="0.000000"/>
+          </focallength>
+          <focallength value="17.500000">
+            <distortion a="-0.000855"  b="-0.002740" c="0.000000"/>
+          </focallength>
+          <focallength value="21.313000">
+            <distortion a="-0.001024"  b="-0.001516" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="15"
+      name="Standard"
+      mount="canonA610"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.300000">
+            <distortion a="0.013142"  b="-0.038236" c="0.000000"/>
+          </focallength>
+          <focallength value="9.565000">
+            <distortion a="0.011837"  b="-0.029698" c="0.000000"/>
+          </focallength>
+          <focallength value="12.565000">
+            <distortion a="0.003459"  b="-0.005793" c="0.000000"/>
+          </focallength>
+          <focallength value="14.926000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="17.341999">
+            <distortion a="0.000000"  b="0.001577" c="0.000000"/>
+          </focallength>
+          <focallength value="21.709000">
+            <distortion a="0.000000"  b="0.001875" c="0.000000"/>
+          </focallength>
+          <focallength value="29.200001">
+            <distortion a="0.000000"  b="0.004818" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="16"
+      name="Standard"
+      mount="canonA510"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.813000">
+            <distortion a="0.008099"  b="-0.030970" c="0.000000"/>
+          </focallength>
+          <focallength value="7.813000">
+            <distortion a="0.000000"  b="-0.010876" c="0.000000"/>
+          </focallength>
+          <focallength value="9.813000">
+            <distortion a="0.000000"  b="-0.007821" c="0.000000"/>
+          </focallength>
+          <focallength value="11.813000">
+            <distortion a="0.000000"  b="-0.006082" c="0.000000"/>
+          </focallength>
+          <focallength value="13.813000">
+            <distortion a="0.000000"  b="-0.003660" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.000000"  b="-0.001945" c="0.000000"/>
+          </focallength>
+          <focallength value="18.688000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="23.188000">
+            <distortion a="0.000000"  b="0.001312" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="17"
+      name="Standard"
+      mount="canonA80"
+      calib_cropfactor="4.850000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.813000">
+            <distortion a="0.004902"  b="-0.021392" c="0.000000"/>
+          </focallength>
+          <focallength value="9.625000">
+            <distortion a="0.000000"  b="-0.011000" c="0.000000"/>
+          </focallength>
+          <focallength value="11.438000">
+            <distortion a="0.000000"  b="-0.008375" c="0.000000"/>
+          </focallength>
+          <focallength value="16.219000">
+            <distortion a="0.000000"  b="-0.004156" c="0.000000"/>
+          </focallength>
+          <focallength value="19.250000">
+            <distortion a="0.000000"  b="-0.002078" c="0.000000"/>
+          </focallength>
+          <focallength value="23.406000">
+            <distortion a="0.000000"  b="-0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="18"
+      name="Tiffen .56x converter"
+      mount="canonA80"
+      calib_cropfactor="4.850000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.560000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.813000">
+            <distortion a="0.025867"  b="-0.072267" c="0.000000"/>
+          </focallength>
+          <focallength value="9.625000">
+            <distortion a="0.012406"  b="-0.044804" c="0.000000"/>
+          </focallength>
+          <focallength value="11.438000">
+            <distortion a="0.005944"  b="-0.029328" c="0.000000"/>
+          </focallength>
+          <focallength value="13.594000">
+            <distortion a="0.005648"  b="-0.024829" c="0.000000"/>
+          </focallength>
+          <focallength value="16.219000">
+            <distortion a="0.000000"  b="-0.010682" c="0.000000"/>
+          </focallength>
+          <focallength value="19.250000">
+            <distortion a="0.000000"  b="-0.006784" c="0.000000"/>
+          </focallength>
+          <focallength value="23.406000">
+            <distortion a="0.000000"  b="-0.004297" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="19"
+      name="Tiffen 2x converter"
+      mount="canonA80"
+      calib_cropfactor="4.850000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="2.000000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="11.438000">
+            <distortion a="0.000000"  b="0.010621" c="0.000000"/>
+          </focallength>
+          <focallength value="13.594000">
+            <distortion a="0.000000"  b="0.002913" c="0.000000"/>
+          </focallength>
+          <focallength value="16.219000">
+            <distortion a="0.000000"  b="0.000742" c="0.000000"/>
+          </focallength>
+          <focallength value="19.250000">
+            <distortion a="0.000000"  b="0.001395" c="0.000000"/>
+          </focallength>
+          <focallength value="23.406000">
+            <distortion a="0.000000"  b="0.001399" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="20"
+      name="Standard"
+      mount="canonA70"
+      calib_cropfactor="6.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.406000">
+            <distortion a="0.007133"  b="-0.026098" c="0.000000"/>
+          </focallength>
+          <focallength value="6.594000">
+            <distortion a="0.002986"  b="-0.017472" c="0.000000"/>
+          </focallength>
+          <focallength value="7.844000">
+            <distortion a="0.000000"  b="-0.009721" c="0.000000"/>
+          </focallength>
+          <focallength value="9.406000">
+            <distortion a="0.000000"  b="-0.007690" c="0.000000"/>
+          </focallength>
+          <focallength value="11.313000">
+            <distortion a="0.000000"  b="-0.005908" c="0.000000"/>
+          </focallength>
+          <focallength value="13.438000">
+            <distortion a="0.000000"  b="-0.003555" c="0.000000"/>
+          </focallength>
+          <focallength value="16.219000">
+            <distortion a="0.000000"  b="-0.003735" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="21"
+      name="Standard"
+      mount="canonS2"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.019347"  b="-0.049194" c="0.000000"/>
+          </focallength>
+          <focallength value="6.700000">
+            <distortion a="0.014225"  b="-0.033434" c="0.000000"/>
+          </focallength>
+          <focallength value="7.200000">
+            <distortion a="0.012654"  b="-0.028234" c="0.000000"/>
+          </focallength>
+          <focallength value="7.600000">
+            <distortion a="0.011063"  b="-0.022491" c="0.000000"/>
+          </focallength>
+          <focallength value="9.000000">
+            <distortion a="0.007561"  b="-0.012771" c="0.000000"/>
+          </focallength>
+          <focallength value="11.600000">
+            <distortion a="0.000000"  b="0.004476" c="0.000000"/>
+          </focallength>
+          <focallength value="46.299999">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="22"
+      name="TC-DC58B"
+      mount="canonS2"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="1.500000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="16.400000">
+            <distortion a="0.000000"  b="0.017550" c="0.000000"/>
+          </focallength>
+          <focallength value="20.700001">
+            <distortion a="0.000000"  b="0.011630" c="0.000000"/>
+          </focallength>
+          <focallength value="26.799999">
+            <distortion a="0.000000"  b="0.008009" c="0.000000"/>
+          </focallength>
+          <focallength value="34.299999">
+            <distortion a="0.000000"  b="0.005827" c="0.000000"/>
+          </focallength>
+          <focallength value="40.299999">
+            <distortion a="0.000000"  b="0.003938" c="0.000000"/>
+          </focallength>
+          <focallength value="51.799999">
+            <distortion a="0.000000"  b="0.003021" c="0.000000"/>
+          </focallength>
+          <focallength value="64.699997">
+            <distortion a="0.000000"  b="0.003778" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.003404" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="23"
+      name="Standard"
+      mount="canonS1"
+      calib_cropfactor="6.560000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.020538"  b="-0.050896" c="0.000000"/>
+          </focallength>
+          <focallength value="7.334000">
+            <distortion a="0.012341"  b="-0.025510" c="0.000000"/>
+          </focallength>
+          <focallength value="10.492000">
+            <distortion a="0.018784"  b="-0.035873" c="0.000000"/>
+          </focallength>
+          <focallength value="12.500000">
+            <distortion a="0.000000"  b="0.003562" c="0.000000"/>
+          </focallength>
+          <focallength value="58.000000">
+            <distortion a="0.000000"  b="0.003236" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="24"
+      name="Standard"
+      mount="canonPro90"
+      calib_cropfactor="5.280000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.014317"  b="-0.036991" c="0.000000"/>
+          </focallength>
+          <focallength value="8.700000">
+            <distortion a="0.007393"  b="-0.012077" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="0.007132" c="0.000000"/>
+          </focallength>
+          <focallength value="12.600000">
+            <distortion a="0.000000"  b="0.008940" c="0.000000"/>
+          </focallength>
+          <focallength value="14.800000">
+            <distortion a="0.000000"  b="0.006866" c="0.000000"/>
+          </focallength>
+          <focallength value="18.700001">
+            <distortion a="0.000000"  b="0.004872" c="0.000000"/>
+          </focallength>
+          <focallength value="22.900000">
+            <distortion a="0.000000"  b="0.003074" c="0.000000"/>
+          </focallength>
+          <focallength value="50.500000">
+            <distortion a="0.000000"  b="0.000264" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="25"
+      name="Canon EF-S 10-22mm f/3.5-4.5 USM"
+      mount="canonEfsSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="10.000000">
+            <distortion a="0.005371"  b="-0.018303" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.002619"  b="-0.009527" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.002896"  b="-0.007050" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.005115"  b="-0.010326" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.005120"  b="-0.008414" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.002769"  b="-0.004058" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="26"
+      name="Canon EF 16-35mm f/2.8L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="16.000000">
+            <distortion a="0.023824"  b="-0.058145" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.022268"  b="-0.051156" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.020609"  b="-0.044077" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.017670"  b="-0.036082" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.016895"  b="-0.032578" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.012716"  b="-0.021973" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.010184"  b="-0.016286" c="0.000000"/>
+          </focallength>
+          <focallength value="33.000000">
+            <distortion a="0.007650"  b="-0.009960" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.007164"  b="-0.010358" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="27"
+      name="Canon EF 17-35mm f/2.8L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.020618"  b="-0.051946" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.022989"  b="-0.054039" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.021786"  b="-0.050249" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.017850"  b="-0.039447" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.015392"  b="-0.032541" c="0.000000"/>
+          </focallength>
+          <focallength value="27.000000">
+            <distortion a="0.012041"  b="-0.022894" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.008656"  b="-0.014270" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.006328"  b="-0.008464" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="28"
+      name="Canon EF 17-40mm f/4L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.020104"  b="-0.047886" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.016917"  b="-0.039854" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.015352"  b="-0.035125" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.013520"  b="-0.027379" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.012744"  b="-0.024334" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.012023"  b="-0.021580" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.008491"  b="-0.013858" c="0.000000"/>
+          </focallength>
+          <focallength value="32.000000">
+            <distortion a="0.007181"  b="-0.008983" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.006829"  b="-0.007622" c="0.000000"/>
+          </focallength>
+          <focallength value="37.000000">
+            <distortion a="0.006676"  b="-0.007544" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.004640"  b="-0.003826" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="29"
+      name="Canon EF-S 17-85mm f/4-5.6 IS USM"
+      mount="canonEfsSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.021181"  b="-0.055581" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.019344"  b="-0.043786" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.015491"  b="-0.026682" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.008084"  b="-0.007472" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.005522"  b="-0.001763" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.003149"  b="0.002207" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="0.000000"  b="0.008269" c="0.000000"/>
+          </focallength>
+          <focallength value="53.000000">
+            <distortion a="0.000000"  b="0.008792" c="0.000000"/>
+          </focallength>
+          <focallength value="61.000000">
+            <distortion a="0.000000"  b="0.007380" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.006226" c="0.000000"/>
+          </focallength>
+          <focallength value="78.000000">
+            <distortion a="0.000000"  b="0.007095" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.007288" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="30"
+      name="Canon EF-S 18-55mm f/3.5-5.6"
+      mount="canonEfsSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.000000"  b="0.003658" c="-0.040630"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.000000"  b="0.004255" c="-0.038513"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.000965" c="-0.019793"/>
+          </focallength>
+          <focallength value="27.000000">
+            <distortion a="0.000000"  b="0.001701" c="-0.014516"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="0.003199" c="-0.012047"/>
+          </focallength>
+          <focallength value="33.000000">
+            <distortion a="0.000000"  b="0.000034" c="-0.005236"/>
+          </focallength>
+          <focallength value="37.000000">
+            <distortion a="0.000000"  b="0.005560" c="-0.016032"/>
+          </focallength>
+          <focallength value="41.000000">
+            <distortion a="0.000000"  b="0.001585" c="-0.007594"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.000000"  b="0.005770" c="-0.015688"/>
+          </focallength>
+          <focallength value="48.000000">
+            <distortion a="0.000000"  b="0.001543" c="-0.003821"/>
+          </focallength>
+          <focallength value="53.000000">
+            <distortion a="0.000000"  b="-0.001301" c="0.001515"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="0.000426" c="-0.001817"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="31"
+      name="Canon EF 24-70mm f/2.8L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.015298"  b="-0.039413" c="0.000000"/>
+          </focallength>
+          <focallength value="27.000000">
+            <distortion a="0.014041"  b="-0.034436" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.013341"  b="-0.031051" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.006539"  b="-0.015390" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.003138"  b="-0.007742" c="0.000000"/>
+          </focallength>
+          <focallength value="43.000000">
+            <distortion a="0.000000"  b="0.000233" c="0.000000"/>
+          </focallength>
+          <focallength value="48.000000">
+            <distortion a="0.000000"  b="0.001510" c="0.000000"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="0.003988" c="0.000000"/>
+          </focallength>
+          <focallength value="64.000000">
+            <distortion a="0.000000"  b="0.005787" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.006294" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="32"
+      name="Canon EF 24-85mm f/3.5-4.5 USM"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.005763"  b="-0.022311" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.002537"  b="-0.010740" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="48.000000">
+            <distortion a="0.000000"  b="0.004254" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.005312" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.004512" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="33"
+      name="Canon EF 28-70mm f/2.8L"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="-0.001744"  b="0.000657" c="0.000000"/>
+          </focallength>
+          <focallength value="32.000000">
+            <distortion a="0.003058"  b="-0.013232" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="-0.004696"  b="0.007063" c="0.000000"/>
+          </focallength>
+          <focallength value="39.000000">
+            <distortion a="0.000110"  b="-0.002166" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="-0.001271"  b="0.001861" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="-0.006466"  b="0.014612" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="-0.001227"  b="0.003723" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="-0.001929"  b="0.005136" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="34"
+      name="Canon EF 24-105mm f/4L IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.017263"  b="-0.049244" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.010878"  b="-0.024454" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.007152"  b="-0.009799" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.002502"  b="0.004803" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.009685" c="0.000000"/>
+          </focallength>
+          <focallength value="88.000000">
+            <distortion a="0.000000"  b="0.008781" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.009598" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="35"
+      name="Canon EF 24-105mm f/4L IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.005520"  b="-0.020740" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.003960"  b="-0.014570" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000910"  b="-0.001710" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000770"  b="0.000960" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.001600"  b="0.000050" c="0.000000"/>
+          </focallength>
+          <focallength value="88.000000">
+            <distortion a="0.004670"  b="-0.006240" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.007970"  b="-0.013070" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="36"
+      name="Canon EF 28-105mm f/3.5-4.5 II USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.013305"  b="-0.039730" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.005643"  b="-0.012771" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.007781" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.010884" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.011749" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="37"
+      name="Canon EF 28-300mm f/3.5-5.6L IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.013512"  b="-0.044163" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.008844"  b="-0.017730" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="0.008261" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.012093" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.012516" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.009065" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.008196" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.007773" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.008177" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="38"
+      name="Canon EF 28-135mm f/3.5-5.6 IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.015307"  b="-0.042304" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.009116"  b="-0.020624" c="0.000000"/>
+          </focallength>
+          <focallength value="41.000000">
+            <distortion a="0.000000"  b="0.003439" c="0.000000"/>
+          </focallength>
+          <focallength value="53.000000">
+            <distortion a="0.000000"  b="0.008157" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.008848" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.009719" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.009196" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.008576" c="0.000000"/>
+          </focallength>
+          <focallength value="117.000000">
+            <distortion a="0.000000"  b="0.010397" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.010546" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="39"
+      name="Canon EF 35-70mm f/3.5-4.5"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.005023" c="0.000000"/>
+          </focallength>
+          <focallength value="42.000000">
+            <distortion a="0.000000"  b="-0.002793" c="0.000000"/>
+          </focallength>
+          <focallength value="56.000000">
+            <distortion a="0.000000"  b="0.000982" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.001993" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="40"
+      name="Canon EF 35-80mm f/4-5.6 III"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.003148"  b="-0.013071" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="-0.004903" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="0.000000"  b="-0.002625" c="0.000000"/>
+          </focallength>
+          <focallength value="53.000000">
+            <distortion a="0.000000"  b="0.000335" c="0.000000"/>
+          </focallength>
+          <focallength value="65.000000">
+            <distortion a="0.000000"  b="0.002145" c="0.000000"/>
+          </focallength>
+          <focallength value="80.000000">
+            <distortion a="0.007040"  b="0.002809" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="41"
+      name="Canon EF 35-105mm f/3.5-4.5"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.003118"  b="-0.013401" c="0.000000"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.003039"  b="-0.007423" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.001309"  b="0.000252" c="0.000000"/>
+          </focallength>
+          <focallength value="82.000000">
+            <distortion a="0.001085"  b="0.002214" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000575"  b="0.003503" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="42"
+      name="Canon EF 35-135mm f/4-5.6 USM"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.001862"  b="-0.007763" c="0.000000"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.000000"  b="0.001004" c="0.000000"/>
+          </focallength>
+          <focallength value="65.000000">
+            <distortion a="0.000000"  b="0.004211" c="0.000000"/>
+          </focallength>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="0.004364" c="0.000000"/>
+          </focallength>
+          <focallength value="91.000000">
+            <distortion a="0.000000"  b="0.005026" c="0.000000"/>
+          </focallength>
+          <focallength value="110.000000">
+            <distortion a="0.000000"  b="0.005453" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.003708" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="43"
+      name="Canon EF 55-200mm f/4.5-5.6"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="55.000000">
+            <distortion a="-0.002904"  b="0.003678" c="0.000000"/>
+          </focallength>
+          <focallength value="65.000000">
+            <distortion a="-0.004584"  b="0.008401" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="-0.000913"  b="0.001853" c="0.000000"/>
+          </focallength>
+          <focallength value="88.000000">
+            <distortion a="-0.002182"  b="0.007163" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="-0.002465"  b="0.008767" c="0.000000"/>
+          </focallength>
+          <focallength value="130.000000">
+            <distortion a="-0.003219"  b="0.010958" c="0.000000"/>
+          </focallength>
+          <focallength value="145.000000">
+            <distortion a="-0.003261"  b="0.011157" c="0.000000"/>
+          </focallength>
+          <focallength value="160.000000">
+            <distortion a="-0.003477"  b="0.011918" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="-0.006020"  b="0.017552" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="44"
+      name="Canon EF 70-200mm f/2.8L IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.009135" c="0.000000"/>
+          </focallength>
+          <focallength value="73.000000">
+            <distortion a="0.000000"  b="-0.008769" c="0.000000"/>
+          </focallength>
+          <focallength value="78.000000">
+            <distortion a="0.000000"  b="-0.006965" c="0.000000"/>
+          </focallength>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.005047" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="0.000000"  b="-0.000959" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.000290" c="0.000000"/>
+          </focallength>
+          <focallength value="115.000000">
+            <distortion a="0.000000"  b="0.002667" c="0.000000"/>
+          </focallength>
+          <focallength value="130.000000">
+            <distortion a="0.000000"  b="0.004312" c="0.000000"/>
+          </focallength>
+          <focallength value="145.000000">
+            <distortion a="0.000000"  b="0.004809" c="0.000000"/>
+          </focallength>
+          <focallength value="160.000000">
+            <distortion a="0.000000"  b="0.005218" c="0.000000"/>
+          </focallength>
+          <focallength value="170.000000">
+            <distortion a="0.000000"  b="0.006153" c="0.000000"/>
+          </focallength>
+          <focallength value="185.000000">
+            <distortion a="0.000000"  b="0.006109" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.008631" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="45"
+      name="Canon EF 70-200mm f/2.8L IS USM + EF 1.4x ext"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="1"
+      converter_multiplier="1.400000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="98.000000">
+            <distortion a="0.000000"  b="-0.012279" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="-0.012117" c="0.000000"/>
+          </focallength>
+          <focallength value="110.000000">
+            <distortion a="0.000000"  b="-0.011447" c="0.000000"/>
+          </focallength>
+          <focallength value="120.000000">
+            <distortion a="0.000000"  b="-0.010878" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="-0.008040" c="0.000000"/>
+          </focallength>
+          <focallength value="145.000000">
+            <distortion a="0.000000"  b="-0.008860" c="0.000000"/>
+          </focallength>
+          <focallength value="160.000000">
+            <distortion a="0.000000"  b="-0.007060" c="0.000000"/>
+          </focallength>
+          <focallength value="185.000000">
+            <distortion a="0.000000"  b="-0.006693" c="0.000000"/>
+          </focallength>
+          <focallength value="220.000000">
+            <distortion a="0.000000"  b="-0.006125" c="0.000000"/>
+          </focallength>
+          <focallength value="245.000000">
+            <distortion a="0.000000"  b="-0.004999" c="0.000000"/>
+          </focallength>
+          <focallength value="280.000000">
+            <distortion a="0.000000"  b="-0.004683" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="46"
+      name="Canon EF 70-200mm f/4L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.006408" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="-0.005162" c="0.000000"/>
+          </focallength>
+          <focallength value="81.000000">
+            <distortion a="0.000000"  b="-0.003271" c="0.000000"/>
+          </focallength>
+          <focallength value="94.000000">
+            <distortion a="0.000000"  b="0.000642" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.002069" c="0.000000"/>
+          </focallength>
+          <focallength value="109.000000">
+            <distortion a="0.000000"  b="0.003375" c="0.000000"/>
+          </focallength>
+          <focallength value="122.000000">
+            <distortion a="0.000000"  b="0.004125" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.005898" c="0.000000"/>
+          </focallength>
+          <focallength value="145.000000">
+            <distortion a="0.000000"  b="0.006262" c="0.000000"/>
+          </focallength>
+          <focallength value="159.000000">
+            <distortion a="0.000000"  b="0.007369" c="0.000000"/>
+          </focallength>
+          <focallength value="168.000000">
+            <distortion a="0.000000"  b="0.008619" c="0.000000"/>
+          </focallength>
+          <focallength value="184.000000">
+            <distortion a="0.000000"  b="0.008464" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.008816" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="47"
+      name="Canon EF 70-200mm f/4L USM + EF 1.4x ext"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="1"
+      converter_multiplier="1.400000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="98.000000">
+            <distortion a="0.000000"  b="-0.011699" c="0.000000"/>
+          </focallength>
+          <focallength value="109.000000">
+            <distortion a="0.000000"  b="-0.010575" c="0.000000"/>
+          </focallength>
+          <focallength value="117.000000">
+            <distortion a="0.000000"  b="-0.008594" c="0.000000"/>
+          </focallength>
+          <focallength value="127.000000">
+            <distortion a="0.000000"  b="-0.008167" c="0.000000"/>
+          </focallength>
+          <focallength value="140.000000">
+            <distortion a="0.000000"  b="-0.007141" c="0.000000"/>
+          </focallength>
+          <focallength value="158.000000">
+            <distortion a="0.000000"  b="-0.005869" c="0.000000"/>
+          </focallength>
+          <focallength value="176.000000">
+            <distortion a="0.000000"  b="-0.004860" c="0.000000"/>
+          </focallength>
+          <focallength value="189.000000">
+            <distortion a="0.000000"  b="-0.005166" c="0.000000"/>
+          </focallength>
+          <focallength value="203.000000">
+            <distortion a="0.000000"  b="-0.004933" c="0.000000"/>
+          </focallength>
+          <focallength value="222.000000">
+            <distortion a="0.000000"  b="-0.004657" c="0.000000"/>
+          </focallength>
+          <focallength value="235.000000">
+            <distortion a="0.000000"  b="-0.004297" c="0.000000"/>
+          </focallength>
+          <focallength value="280.000000">
+            <distortion a="0.000000"  b="-0.002653" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="48"
+      name="Canon EF 70-300mm f/4.5-5.6 DO IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.003445" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="-0.001549" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.004544" c="0.000000"/>
+          </focallength>
+          <focallength value="130.000000">
+            <distortion a="0.000000"  b="0.009179" c="0.000000"/>
+          </focallength>
+          <focallength value="150.000000">
+            <distortion a="0.000000"  b="0.010655" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.010972" c="0.000000"/>
+          </focallength>
+          <focallength value="230.000000">
+            <distortion a="0.000000"  b="0.009311" c="0.000000"/>
+          </focallength>
+          <focallength value="270.000000">
+            <distortion a="0.000000"  b="0.011792" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.009986" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="49"
+      name="Canon EF 75-300mm f/4-5.6 IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="-0.004815" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="-0.004914" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.000475" c="0.000000"/>
+          </focallength>
+          <focallength value="155.000000">
+            <distortion a="0.000000"  b="0.001105" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.004110" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="50"
+      name="Canon EF 80-200mm f/2.8L"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.007253" c="0.000000"/>
+          </focallength>
+          <focallength value="88.000000">
+            <distortion a="0.000000"  b="-0.006184" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="-0.003182" c="0.000000"/>
+          </focallength>
+          <focallength value="120.000000">
+            <distortion a="0.000000"  b="-0.000752" c="0.000000"/>
+          </focallength>
+          <focallength value="140.000000">
+            <distortion a="0.000000"  b="0.001667" c="0.000000"/>
+          </focallength>
+          <focallength value="175.000000">
+            <distortion a="0.000000"  b="0.003535" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.004386" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="51"
+      name="Canon EF 100-300mm f/5.6L"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="-0.001195" c="0.000000"/>
+          </focallength>
+          <focallength value="123.000000">
+            <distortion a="0.000000"  b="0.001845" c="0.000000"/>
+          </focallength>
+          <focallength value="142.000000">
+            <distortion a="0.000000"  b="0.004270" c="0.000000"/>
+          </focallength>
+          <focallength value="173.000000">
+            <distortion a="0.000000"  b="0.006821" c="0.000000"/>
+          </focallength>
+          <focallength value="210.000000">
+            <distortion a="0.000000"  b="0.008324" c="0.000000"/>
+          </focallength>
+          <focallength value="250.000000">
+            <distortion a="0.000000"  b="0.008554" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.009679" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="52"
+      name="Canon EF 100-400mm f/4.5-5.6L IS USM"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="100.000000">
+            <distortion a="0.001543"  b="-0.003547" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000471"  b="-0.000408" c="0.000000"/>
+          </focallength>
+          <focallength value="150.000000">
+            <distortion a="0.000220"  b="0.000681" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="-0.000110"  b="0.001920" c="0.000000"/>
+          </focallength>
+          <focallength value="250.000000">
+            <distortion a="0.001326"  b="-0.001117" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="-0.001773"  b="0.005878" c="0.000000"/>
+          </focallength>
+          <focallength value="350.000000">
+            <distortion a="0.000721"  b="0.000672" c="0.000000"/>
+          </focallength>
+          <focallength value="400.000000">
+            <distortion a="-0.000338"  b="0.003752" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="53"
+      name="Canon EF 20mm f/2.8 USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="20.000000">
+            <distortion a="0.018218"  b="-0.040033" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="54"
+      name="Canon EF 24mm f/1.4L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.013378"  b="-0.028367" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="55"
+      name="Canon EF 24mm f/2.8"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.017412"  b="-0.039315" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="56"
+      name="Canon EF 28mm f/1.8"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.001175"  b="-0.006534" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="57"
+      name="Canon EF 28mm f/2.8"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.003003"  b="-0.011213" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="58"
+      name="Canon EF 35mm f/1.4L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.007937"  b="-0.021832" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="59"
+      name="Canon EF 35mm f/2.0"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.007768"  b="-0.018685" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="60"
+      name="Canon EF 50mm f/1.4"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.002987" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="61"
+      name="Canon EF 50mm f/1.4"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.002615"  b="-0.011230" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="62"
+      name="Canon EF 50mm f/1.8 I and II"
+      mount="canonSLR"
+      calib_cropfactor="1.300000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="-0.000160"  b="-0.003951" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="63"
+      name="Canon EF-S 60mm f/2.8 Macro"
+      mount="canonEfsSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="64"
+      name="Canon EF 85mm f/1.2L USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="-0.002140" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="65"
+      name="Canon EF 85mm f/1.8 USM"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="85.000000">
+            <distortion a="-0.000989"  b="-0.002335" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="66"
+      name="Canon EF 100mm f/2.8 USM Macro"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="100.000000">
+            <distortion a="0.001889"  b="-0.005706" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="67"
+      name="Canon EF 100mm f/2.8 Macro"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="100.000000">
+            <distortion a="-0.001558"  b="0.004225" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="68"
+      name="Canon EF 135mm f/2.8 Soft Focus"
+      mount="canonSLR"
+      calib_cropfactor="1.300000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="135.000000">
+            <distortion a="0.001266"  b="0.001782" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="69"
+      name="Canon EF 200mm f/2.8L II USM"
+      mount="canonSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.000502" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="70"
+      name="Canon TS-E 24mm f/3.5L"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.006127"  b="-0.018983" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="71"
+      name="Canon TS-E 45mm f/2.8"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="45.000000">
+            <distortion a="0.002110"  b="-0.007388" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="72"
+      name="Canon TS-E 90mm f/2.8"
+      mount="canonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="90.000000">
+            <distortion a="0.000000"  b="0.001333" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="73"
+      name="Zeiss 21mm f/2.8 Distagon"
+      mount="contaxSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="21.000000">
+            <distortion a="0.021925"  b="-0.043445" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="74"
+      name="Zeiss 28mm f/2.8 Distagon"
+      mount="contaxSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.007448"  b="-0.019182" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="75"
+      name="Standard"
+      mount="casioZ750"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.900000">
+            <distortion a="0.000000"  b="-0.015843" c="0.000000"/>
+          </focallength>
+          <focallength value="9.500000">
+            <distortion a="0.000000"  b="-0.008169" c="0.000000"/>
+          </focallength>
+          <focallength value="11.800000">
+            <distortion a="0.000000"  b="-0.006286" c="0.000000"/>
+          </focallength>
+          <focallength value="14.200000">
+            <distortion a="0.000000"  b="-0.004511" c="0.000000"/>
+          </focallength>
+          <focallength value="16.600000">
+            <distortion a="0.000000"  b="-0.003361" c="0.000000"/>
+          </focallength>
+          <focallength value="19.700001">
+            <distortion a="0.000000"  b="-0.004139" c="0.000000"/>
+          </focallength>
+          <focallength value="23.700001">
+            <distortion a="0.000000"  b="-0.004710" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="76"
+      name="Standard"
+      mount="casioP600"
+      calib_cropfactor="4.650000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.020742"  b="-0.051562" c="0.000000"/>
+          </focallength>
+          <focallength value="7.810000">
+            <distortion a="0.015463"  b="-0.040790" c="0.000000"/>
+          </focallength>
+          <focallength value="9.200000">
+            <distortion a="0.009382"  b="-0.022587" c="0.000000"/>
+          </focallength>
+          <focallength value="11.300000">
+            <distortion a="0.000000"  b="0.001090" c="0.000000"/>
+          </focallength>
+          <focallength value="14.200000">
+            <distortion a="0.000000"  b="0.003042" c="0.000000"/>
+          </focallength>
+          <focallength value="19.200001">
+            <distortion a="0.000000"  b="0.005820" c="0.000000"/>
+          </focallength>
+          <focallength value="23.400000">
+            <distortion a="0.000000"  b="0.005834" c="0.000000"/>
+          </focallength>
+          <focallength value="28.400000">
+            <distortion a="0.000000"  b="0.008180" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="77"
+      name="WC-DC58A"
+      mount="casioP600"
+      calib_cropfactor="4.650000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.750000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.020587"  b="-0.074170" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="78"
+      name="Standard"
+      mount="casioZ4"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.016943"  b="-0.048353" c="0.000000"/>
+          </focallength>
+          <focallength value="6.800000">
+            <distortion a="0.016520"  b="-0.044474" c="0.000000"/>
+          </focallength>
+          <focallength value="8.200000">
+            <distortion a="0.002124"  b="-0.011330" c="0.000000"/>
+          </focallength>
+          <focallength value="10.200000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="17.400000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="79"
+      name="Standard"
+      mount="casioQV3500"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.130000">
+            <distortion a="0.012733"  b="-0.036930" c="0.000000"/>
+          </focallength>
+          <focallength value="9.820000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="14.220000">
+            <distortion a="0.000000"  b="0.003219" c="0.000000"/>
+          </focallength>
+          <focallength value="20.740000">
+            <distortion a="0.000000"  b="0.004435" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="80"
+      name="Raynox 0.66x"
+      mount="casioQV3500"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.660000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.130000">
+            <distortion a="0.000000"  b="0.025620" c="-0.106136"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="81"
+      name="Standard"
+      mount="fujiF11"
+      calib_cropfactor="4.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="8.000000">
+            <distortion a="0.000000"  b="-0.006180" c="0.000000"/>
+          </focallength>
+          <focallength value="10.400000">
+            <distortion a="0.000000"  b="-0.005407" c="0.000000"/>
+          </focallength>
+          <focallength value="12.200000">
+            <distortion a="0.000000"  b="-0.005171" c="0.000000"/>
+          </focallength>
+          <focallength value="14.100000">
+            <distortion a="0.000000"  b="-0.004634" c="0.000000"/>
+          </focallength>
+          <focallength value="16.100000">
+            <distortion a="0.000000"  b="-0.001624" c="0.000000"/>
+          </focallength>
+          <focallength value="18.100000">
+            <distortion a="0.000000"  b="-0.001948" c="0.000000"/>
+          </focallength>
+          <focallength value="20.100000">
+            <distortion a="0.000000"  b="-0.000215" c="0.000000"/>
+          </focallength>
+          <focallength value="22.100000">
+            <distortion a="0.000000"  b="0.000376" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="82"
+      name="Standard"
+      mount="fujiS9000"
+      calib_cropfactor="4.480000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.200000">
+            <distortion a="0.022449"  b="-0.054880" c="0.000000"/>
+          </focallength>
+          <focallength value="7.200000">
+            <distortion a="0.014932"  b="-0.036434" c="0.000000"/>
+          </focallength>
+          <focallength value="8.100000">
+            <distortion a="0.006337"  b="-0.018767" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.005262"  b="-0.014600" c="0.000000"/>
+          </focallength>
+          <focallength value="10.800000">
+            <distortion a="0.005679"  b="-0.011186" c="0.000000"/>
+          </focallength>
+          <focallength value="12.800000">
+            <distortion a="0.004792"  b="-0.004670" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="0.004675" c="0.000000"/>
+          </focallength>
+          <focallength value="21.600000">
+            <distortion a="0.000000"  b="0.003203" c="0.000000"/>
+          </focallength>
+          <focallength value="42.599998">
+            <distortion a="0.000000"  b="0.002282" c="0.000000"/>
+          </focallength>
+          <focallength value="67.000000">
+            <distortion a="0.000000"  b="0.003859" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="83"
+      name="Standard"
+      mount="fujiS5500"
+      calib_cropfactor="6.491000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.700000">
+            <distortion a="0.011881"  b="-0.034720" c="0.000000"/>
+          </focallength>
+          <focallength value="6.700000">
+            <distortion a="0.009745"  b="-0.023435" c="0.000000"/>
+          </focallength>
+          <focallength value="7.500000">
+            <distortion a="0.008247"  b="-0.018865" c="0.000000"/>
+          </focallength>
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+      name="Standard"
+      mount="kmZ3"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="90"
+      name="Standard"
+      mount="kmZ2"
+      calib_cropfactor="6.030000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+          </focallength>
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+            <distortion a="0.000000"  b="0.000531" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="91"
+      name="ZCW-100"
+      mount="kmZ2"
+      calib_cropfactor="6.030000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.750000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.300000">
+            <distortion a="0.020234"  b="-0.075490" c="0.000000"/>
+          </focallength>
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+            <distortion a="-0.001905"  b="-0.017509" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="92"
+      name="Standard"
+      mount="kmZ1"
+      calib_cropfactor="6.545000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.025087"  b="-0.065158" c="0.000000"/>
+          </focallength>
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+          <focallength value="39.599998">
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+          <focallength value="58.000000">
+            <distortion a="0.000000"  b="0.000217" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="93"
+      name="ZCW-100"
+      mount="kmZ1"
+      calib_cropfactor="6.545000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="1"
+      converter_multiplier="0.750000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="4.400000">
+            <distortion a="0.030707"  b="-0.105490" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="94"
+      name="Standard"
+      mount="kmZ10"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.012869"  b="-0.041112" c="0.000000"/>
+          </focallength>
+          <focallength value="7.400000">
+            <distortion a="0.020326"  b="-0.036191" c="0.000000"/>
+          </focallength>
+          <focallength value="8.900000">
+            <distortion a="0.015295"  b="-0.018566" c="0.000000"/>
+          </focallength>
+          <focallength value="11.900000">
+            <distortion a="0.012247"  b="-0.010229" c="0.000000"/>
+          </focallength>
+          <focallength value="13.400000">
+            <distortion a="0.011031"  b="-0.010002" c="0.000000"/>
+          </focallength>
+          <focallength value="17.299999">
+            <distortion a="0.006649"  b="-0.001496" c="0.000000"/>
+          </focallength>
+          <focallength value="27.799999">
+            <distortion a="0.005224"  b="-0.000697" c="0.000000"/>
+          </focallength>
+          <focallength value="35.900002">
+            <distortion a="0.006913"  b="-0.002215" c="0.000000"/>
+          </focallength>
+          <focallength value="48.000000">
+            <distortion a="0.006184"  b="0.003347" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="95"
+      name="ZCW-200"
+      mount="kmZ10"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="1"
+      converter_multiplier="0.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="4.200000">
+            <distortion a="0.024186"  b="-0.107425" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="96"
+      name="Standard"
+      mount="kmD7"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.300000">
+            <distortion a="0.025000"  b="-0.065000" c="0.000000"/>
+          </focallength>
+          <focallength value="8.900000">
+            <distortion a="0.015000"  b="-0.033000" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="0.000000"  b="0.003000" c="0.000000"/>
+          </focallength>
+          <focallength value="25.400000">
+            <distortion a="0.000000"  b="0.005000" c="0.000000"/>
+          </focallength>
+          <focallength value="38.099998">
+            <distortion a="0.000000"  b="0.008000" c="0.000000"/>
+          </focallength>
+          <focallength value="50.799999">
+            <distortion a="0.000000"  b="0.008000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="97"
+      name="ACW-100 Converter"
+      mount="kmD7"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.300000">
+            <distortion a="0.000000"  b="0.028920" c="-0.106517"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="98"
+      name="Standard"
+      mount="kmXt"
+      calib_cropfactor="6.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.700000">
+            <distortion a="0.006514"  b="-0.029243" c="0.000000"/>
+          </focallength>
+          <focallength value="6.000000">
+            <distortion a="0.006797"  b="-0.025877" c="0.000000"/>
+          </focallength>
+          <focallength value="6.500000">
+            <distortion a="0.005866"  b="-0.017735" c="0.000000"/>
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+          <focallength value="8.000000">
+            <distortion a="0.000000"  b="0.002707" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.000000"  b="0.006484" c="0.000000"/>
+          </focallength>
+          <focallength value="10.200000">
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+          </focallength>
+          <focallength value="11.300000">
+            <distortion a="0.000000"  b="0.006926" c="0.000000"/>
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+          <focallength value="13.000000">
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+          <focallength value="17.100000">
+            <distortion a="0.000000"  b="0.009984" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="99"
+      name="Standard"
+      mount="kmG400"
+      calib_cropfactor="6.144000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.600000">
+            <distortion a="0.006939"  b="-0.026729" c="0.000000"/>
+          </focallength>
+          <focallength value="6.300000">
+            <distortion a="-0.000320"  b="-0.008211" c="0.000000"/>
+          </focallength>
+          <focallength value="7.700000">
+            <distortion a="-0.001922"  b="0.000251" c="0.000000"/>
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+          <focallength value="9.900000">
+            <distortion a="-0.002401"  b="0.002342" c="0.000000"/>
+          </focallength>
+          <focallength value="12.400000">
+            <distortion a="-0.004609"  b="0.008805" c="0.000000"/>
+          </focallength>
+          <focallength value="14.700000">
+            <distortion a="-0.002296"  b="0.004882" c="0.000000"/>
+          </focallength>
+          <focallength value="16.799999">
+            <distortion a="-0.005442"  b="0.012752" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="100"
+      name="KM 24-105mm 3.5-4.5 AF D"
+      mount="minoltaSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.004504"  b="-0.017560" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.001188" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="0.001378" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="0.003241" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.003895" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.005226" c="0.000000"/>
+          </focallength>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="0.005343" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="0.000000"  b="0.005201" c="0.000000"/>
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+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.005796" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="101"
+      name="KM 28-100mm 3.5-5.6 AF D"
+      mount="minoltaSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.005155"  b="-0.020044" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.005248"  b="-0.012857" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="-0.000766" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.001775" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.002973" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.002931" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="102"
+      name="KM 80-200mm 2.8"
+      mount="minoltaSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.004374" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="0.000000"  b="-0.002544" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="-0.000886" c="0.000000"/>
+          </focallength>
+          <focallength value="110.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.001336" c="0.000000"/>
+          </focallength>
+          <focallength value="150.000000">
+            <distortion a="0.000000"  b="0.002115" c="0.000000"/>
+          </focallength>
+          <focallength value="180.000000">
+            <distortion a="0.000000"  b="0.002790" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.001971" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="103"
+      name="KM 20mm 2.8"
+      mount="minoltaSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="20.000000">
+            <distortion a="0.005548"  b="-0.022552" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="104"
+      name="Standard"
+      mount="leicaDigilux2"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.000000"  b="0.009873" c="-0.057763"/>
+          </focallength>
+          <focallength value="7.600000">
+            <distortion a="0.000000"  b="0.003123" c="-0.039833"/>
+          </focallength>
+          <focallength value="8.300000">
+            <distortion a="0.000000"  b="-0.003305" c="-0.032340"/>
+          </focallength>
+          <focallength value="9.100000">
+            <distortion a="0.000000"  b="-0.006188" c="-0.017910"/>
+          </focallength>
+          <focallength value="9.800000">
+            <distortion a="0.000000"  b="-0.010670" c="-0.008812"/>
+          </focallength>
+          <focallength value="10.600000">
+            <distortion a="0.000000"  b="-0.007992" c="-0.009762"/>
+          </focallength>
+          <focallength value="11.600000">
+            <distortion a="0.000000"  b="-0.009507" c="-0.002939"/>
+          </focallength>
+          <focallength value="12.800000">
+            <distortion a="0.000000"  b="-0.003010" c="-0.005230"/>
+          </focallength>
+          <focallength value="13.800000">
+            <distortion a="0.000000"  b="-0.002981" c="-0.008074"/>
+          </focallength>
+          <focallength value="14.700000">
+            <distortion a="0.000000"  b="-0.010144" c="0.002157"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.000000"  b="-0.007409" c="0.003268"/>
+          </focallength>
+          <focallength value="17.299999">
+            <distortion a="0.000000"  b="-0.010874" c="0.007128"/>
+          </focallength>
+          <focallength value="19.100000">
+            <distortion a="0.000000"  b="-0.009048" c="0.005592"/>
+          </focallength>
+          <focallength value="22.500000">
+            <distortion a="0.000000"  b="-0.003695" c="0.005038"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="105"
+      name="Standard"
+      mount="nikon8800"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="8.900000">
+            <distortion a="0.013454"  b="-0.041694" c="0.000000"/>
+          </focallength>
+          <focallength value="9.500000">
+            <distortion a="0.013174"  b="-0.037229" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.011875"  b="-0.027921" c="0.000000"/>
+          </focallength>
+          <focallength value="13.800000">
+            <distortion a="0.011533"  b="-0.021238" c="0.000000"/>
+          </focallength>
+          <focallength value="19.799999">
+            <distortion a="0.005936"  b="-0.007387" c="0.000000"/>
+          </focallength>
+          <focallength value="29.299999">
+            <distortion a="0.004248"  b="-0.004453" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="0.004755" c="0.000000"/>
+          </focallength>
+          <focallength value="49.000000">
+            <distortion a="0.000000"  b="0.003129" c="0.000000"/>
+          </focallength>
+          <focallength value="89.000000">
+            <distortion a="0.000000"  b="0.002974" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="106"
+      name="WM-E80"
+      mount="nikon8800"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="8.900000">
+            <distortion a="0.015468"  b="-0.076140" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.009214"  b="-0.051437" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="0.007165"  b="-0.041386" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="0.004854"  b="-0.032212" c="0.000000"/>
+          </focallength>
+          <focallength value="21.799999">
+            <distortion a="0.003889"  b="-0.022494" c="0.000000"/>
+          </focallength>
+          <focallength value="26.500000">
+            <distortion a="-0.001886"  b="-0.008990" c="0.000000"/>
+          </focallength>
+          <focallength value="35.900002">
+            <distortion a="-0.002400"  b="-0.006042" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="107"
+      name="Standard"
+      mount="nikon8400"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.100000">
+            <distortion a="0.000000"  b="-0.014928" c="0.000000"/>
+          </focallength>
+          <focallength value="7.000000">
+            <distortion a="0.000000"  b="-0.011637" c="0.000000"/>
+          </focallength>
+          <focallength value="8.100000">
+            <distortion a="0.000000"  b="-0.009313" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="-0.006115" c="0.000000"/>
+          </focallength>
+          <focallength value="12.300000">
+            <distortion a="0.000000"  b="-0.004044" c="0.000000"/>
+          </focallength>
+          <focallength value="15.200000">
+            <distortion a="0.000000"  b="-0.001226" c="0.000000"/>
+          </focallength>
+          <focallength value="21.600000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="108"
+      name="WC-E75"
+      mount="nikon8400"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.750000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.100000">
+            <distortion a="0.016500"  b="-0.057649" c="0.000000"/>
+          </focallength>
+          <focallength value="7.500000">
+            <distortion a="0.009749"  b="-0.039706" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.000000"  b="-0.014859" c="0.000000"/>
+          </focallength>
+          <focallength value="11.500000">
+            <distortion a="0.000000"  b="-0.011079" c="0.000000"/>
+          </focallength>
+          <focallength value="14.200000">
+            <distortion a="0.000000"  b="-0.007817" c="0.000000"/>
+          </focallength>
+          <focallength value="17.500000">
+            <distortion a="0.000000"  b="-0.005923" c="0.000000"/>
+          </focallength>
+          <focallength value="21.600000">
+            <distortion a="0.000000"  b="-0.003667" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="109"
+      name="Standard"
+      mount="nikon5700"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="8.900000">
+            <distortion a="0.014425"  b="-0.044782" c="0.000000"/>
+          </focallength>
+          <focallength value="9.000000">
+            <distortion a="0.015010"  b="-0.045355" c="0.000000"/>
+          </focallength>
+          <focallength value="9.500000">
+            <distortion a="0.012659"  b="-0.038385" c="0.000000"/>
+          </focallength>
+          <focallength value="10.700000">
+            <distortion a="0.014239"  b="-0.038035" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="0.007615"  b="-0.020282" c="0.000000"/>
+          </focallength>
+          <focallength value="14.700000">
+            <distortion a="0.004843"  b="-0.012421" c="0.000000"/>
+          </focallength>
+          <focallength value="15.700000">
+            <distortion a="0.008849"  b="-0.018943" c="0.000000"/>
+          </focallength>
+          <focallength value="17.799999">
+            <distortion a="0.002011"  b="-0.004148" c="0.000000"/>
+          </focallength>
+          <focallength value="19.900000">
+            <distortion a="0.002308"  b="-0.003845" c="0.000000"/>
+          </focallength>
+          <focallength value="22.299999">
+            <distortion a="0.003059"  b="-0.005400" c="0.000000"/>
+          </focallength>
+          <focallength value="23.700001">
+            <distortion a="0.006541"  b="-0.012168" c="0.000000"/>
+          </focallength>
+          <focallength value="31.900000">
+            <distortion a="0.004286"  b="-0.006875" c="0.000000"/>
+          </focallength>
+          <focallength value="37.700001">
+            <distortion a="0.004035"  b="-0.005926" c="0.000000"/>
+          </focallength>
+          <focallength value="44.700001">
+            <distortion a="0.004590"  b="-0.007871" c="0.000000"/>
+          </focallength>
+          <focallength value="52.400002">
+            <distortion a="0.000773"  b="-0.000990" c="0.000000"/>
+          </focallength>
+          <focallength value="61.500000">
+            <distortion a="0.001251"  b="-0.002049" c="0.000000"/>
+          </focallength>
+          <focallength value="71.199997">
+            <distortion a="0.004259"  b="-0.007821" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="110"
+      name="TC-E15ED (full tele)"
+      mount="nikon5700"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="1.500000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="71.199997">
+            <distortion a="-0.000659"  b="0.004458" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="111"
+      name="WC-E80 (full wide)"
+      mount="nikon5700"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="8.900000">
+            <distortion a="0.016692"  b="-0.060767" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="112"
+      name="Standard"
+      mount="nikon7900"
+      calib_cropfactor="4.860000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.800000">
+            <distortion a="0.006962"  b="-0.036546" c="0.000000"/>
+          </focallength>
+          <focallength value="10.600000">
+            <distortion a="0.000000"  b="-0.009971" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="0.000000"  b="-0.005826" c="0.000000"/>
+          </focallength>
+          <focallength value="14.900000">
+            <distortion a="0.000000"  b="-0.002714" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="-0.002326" c="0.000000"/>
+          </focallength>
+          <focallength value="21.299999">
+            <distortion a="0.000000"  b="-0.001355" c="0.000000"/>
+          </focallength>
+          <focallength value="23.400000">
+            <distortion a="0.000000"  b="-0.000554" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="113"
+      name="Standard"
+      mount="nikon5400"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.000000"  b="0.009612" c="-0.058281"/>
+          </focallength>
+          <focallength value="6.500000">
+            <distortion a="0.000000"  b="0.017795" c="-0.060086"/>
+          </focallength>
+          <focallength value="7.200000">
+            <distortion a="0.000000"  b="0.016182" c="-0.043190"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="0.000000"  b="0.017362" c="-0.038087"/>
+          </focallength>
+          <focallength value="9.500000">
+            <distortion a="0.000000"  b="0.027021" c="-0.054907"/>
+          </focallength>
+          <focallength value="11.100000">
+            <distortion a="0.000000"  b="0.013847" c="-0.023501"/>
+          </focallength>
+          <focallength value="12.600000">
+            <distortion a="0.000000"  b="0.009377" c="-0.009348"/>
+          </focallength>
+          <focallength value="14.500000">
+            <distortion a="0.000000"  b="0.011435" c="-0.007858"/>
+          </focallength>
+          <focallength value="16.700001">
+            <distortion a="0.000000"  b="0.014832" c="-0.017945"/>
+          </focallength>
+          <focallength value="18.799999">
+            <distortion a="0.000000"  b="0.010791" c="0.000000"/>
+          </focallength>
+          <focallength value="21.100000">
+            <distortion a="0.000000"  b="0.010574" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="0.009755" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="114"
+      name="WC-E80"
+      mount="nikon5400"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.026090"  b="-0.086283" c="0.000000"/>
+          </focallength>
+          <focallength value="6.500000">
+            <distortion a="0.016185"  b="-0.057085" c="0.000000"/>
+          </focallength>
+          <focallength value="7.200000">
+            <distortion a="0.012528"  b="-0.043316" c="0.000000"/>
+          </focallength>
+          <focallength value="9.500000">
+            <distortion a="0.006344"  b="-0.019451" c="0.000000"/>
+          </focallength>
+          <focallength value="11.800000">
+            <distortion a="0.000000"  b="-0.003078" c="0.000000"/>
+          </focallength>
+          <focallength value="14.500000">
+            <distortion a="0.000000"  b="0.001104" c="0.000000"/>
+          </focallength>
+          <focallength value="17.799999">
+            <distortion a="0.000000"  b="0.004936" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="0.005570" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="115"
+      name="Standard"
+      mount="nikon5000"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="-0.009406"  b="0.022592" c="-0.044771"/>
+          </focallength>
+          <focallength value="7.700000">
+            <distortion a="0.007336"  b="-0.031746" c="0.010831"/>
+          </focallength>
+          <focallength value="9.000000">
+            <distortion a="-0.003338"  b="0.004105" c="-0.020631"/>
+          </focallength>
+          <focallength value="9.700000">
+            <distortion a="0.005392"  b="-0.021679" c="0.006308"/>
+          </focallength>
+          <focallength value="11.400000">
+            <distortion a="-0.001128"  b="-0.001987" c="-0.005919"/>
+          </focallength>
+          <focallength value="12.400000">
+            <distortion a="-0.003078"  b="0.002279" c="-0.005827"/>
+          </focallength>
+          <focallength value="14.900000">
+            <distortion a="0.000095"  b="-0.005124" c="0.002716"/>
+          </focallength>
+          <focallength value="17.500000">
+            <distortion a="0.000795"  b="-0.008614" c="0.009284"/>
+          </focallength>
+          <focallength value="18.799999">
+            <distortion a="0.000796"  b="-0.008619" c="0.009289"/>
+          </focallength>
+          <focallength value="21.400000">
+            <distortion a="-0.000745"  b="0.001506" c="-0.005233"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="116"
+      name="WC-E68 (full wide)"
+      mount="nikon5000"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.680000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+            <distortion a="0.026854"  b="-0.077694" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="117"
+      name="Standard"
+      mount="nikon4800"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="118"
+      name="Standard"
+      mount="nikon4500"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+            <distortion a="-0.003024"  b="0.017500" c="0.000000"/>
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+            <distortion a="-0.002059"  b="0.015247" c="0.000000"/>
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+            <distortion a="-0.000958"  b="0.013886" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="119"
+      name="TC-E2"
+      mount="nikon4500"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="2.000000"
+      author="Thomas Niemann">
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+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+            <distortion a="-0.008185"  b="0.022491" c="0.000000"/>
+          </focallength>
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+            <distortion a="-0.006090"  b="0.018699" c="0.000000"/>
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+            <distortion a="-0.004204"  b="0.017296" c="0.000000"/>
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+          <focallength value="18.200001">
+            <distortion a="-0.004912"  b="0.019157" c="0.000000"/>
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+            <distortion a="-0.002922"  b="0.015544" c="0.000000"/>
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+            <distortion a="-0.002051"  b="0.016993" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
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+      name="TC-3ED"
+      mount="nikon4500"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="3.000000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+          <focallength value="30.400000">
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+          <focallength value="32.000000">
+            <distortion a="-0.002963"  b="0.020441" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
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+      name="WC-E63"
+      mount="nikon4500"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.630000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+          <focallength value="8.600000">
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+    </lens>
+
+    <lens
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+      name="Standard"
+      mount="nikon995"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
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+      name="WC-E63"
+      mount="nikon995"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.630000"
+      author="Thomas Niemann">
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+        <comment>Origin: PTLens database</comment>
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+        </calibration>
+    </lens>
+
+    <lens
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+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.660000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+            <distortion a="0.000000"  b="0.006700" c="0.000000"/>
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+          <focallength value="29.000000">
+            <distortion a="0.000000"  b="0.006900" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
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+          <focallength value="32.000000">
+            <distortion a="0.000000"  b="0.008100" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="125"
+      name="TC-E2"
+      mount="nikon995"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="2.000000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.000000">
+            <distortion a="0.000000"  b="0.005500" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="0.000000"  b="0.006100" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
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+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="0.007300" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.000000"  b="0.007800" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
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+          <focallength value="21.000000">
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+          <focallength value="22.000000">
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+          <focallength value="23.000000">
+            <distortion a="0.000000"  b="0.010200" c="0.000000"/>
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+          <focallength value="25.000000">
+            <distortion a="0.000000"  b="0.011000" c="0.000000"/>
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+          <focallength value="27.000000">
+            <distortion a="0.000000"  b="0.011500" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.011600" c="0.000000"/>
+          </focallength>
+          <focallength value="29.000000">
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+            <distortion a="0.000000"  b="0.011800" c="0.000000"/>
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+          <focallength value="31.000000">
+            <distortion a="0.000000"  b="0.011800" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="126"
+      name="Standard"
+      mount="nikon990"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
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+            <distortion a="0.009323"  b="-0.036014" c="0.000000"/>
+          </focallength>
+          <focallength value="8.800000">
+            <distortion a="0.006981"  b="-0.028396" c="0.000000"/>
+          </focallength>
+          <focallength value="9.900000">
+            <distortion a="0.007066"  b="-0.023481" c="0.000000"/>
+          </focallength>
+          <focallength value="10.700000">
+            <distortion a="0.004841"  b="-0.017212" c="0.000000"/>
+          </focallength>
+          <focallength value="11.600000">
+            <distortion a="-0.000649"  b="-0.003458" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="0.002233"  b="-0.005998" c="0.000000"/>
+          </focallength>
+          <focallength value="13.500000">
+            <distortion a="0.002265"  b="-0.004391" c="0.000000"/>
+          </focallength>
+          <focallength value="14.600000">
+            <distortion a="0.004307"  b="-0.006345" c="0.000000"/>
+          </focallength>
+          <focallength value="15.500000">
+            <distortion a="0.003109"  b="-0.003799" c="0.000000"/>
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+          <focallength value="16.299999">
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+          <focallength value="17.400000">
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+          </focallength>
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+          <focallength value="20.200001">
+            <distortion a="0.001772"  b="0.004291" c="0.000000"/>
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+          <focallength value="21.000000">
+            <distortion a="0.000183"  b="0.007835" c="0.000000"/>
+          </focallength>
+          <focallength value="21.600000">
+            <distortion a="0.002632"  b="0.004132" c="0.000000"/>
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+          <focallength value="22.200001">
+            <distortion a="0.000101"  b="0.009482" c="0.000000"/>
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+          <focallength value="22.799999">
+            <distortion a="-0.001457"  b="0.012402" c="0.000000"/>
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+          <focallength value="23.400000">
+            <distortion a="0.000019"  b="0.009522" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="127"
+      name="WC-E63"
+      mount="nikon990"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.630000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="8.200000">
+            <distortion a="0.027148"  b="-0.073181" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="128"
+      name="Standard"
+      mount="nikon950"
+      calib_cropfactor="5.408000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.000000"  b="-0.017000" c="0.000000"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="0.000000"  b="-0.013000" c="0.000000"/>
+          </focallength>
+          <focallength value="9.000000">
+            <distortion a="0.000000"  b="-0.009500" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="-0.006000" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.000000"  b="-0.003000" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="13.000000">
+            <distortion a="0.000000"  b="0.002000" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.000000"  b="0.004500" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="0.000000"  b="0.006500" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.000000"  b="0.008000" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="0.009000" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.000000"  b="0.010200" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.000000"  b="0.011000" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.000000"  b="0.011400" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.000000"  b="0.011600" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="129"
+      name="Nikkor 12-24mm f/4G ED-IF AF-S DX"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="12.000000">
+            <distortion a="-0.016006"  b="0.024041" c="0.000000"/>
+          </focallength>
+          <focallength value="13.000000">
+            <distortion a="-0.017096"  b="0.030498" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="-0.017730"  b="0.031719" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="-0.013174"  b="0.027255" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="-0.009629"  b="0.021705" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="-0.006736"  b="0.016621" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="-0.007763"  b="0.019343" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="-0.005218"  b="0.014696" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="-0.005775"  b="0.015956" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="-0.005197"  b="0.015329" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="-0.007101"  b="0.018378" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="130"
+      name="Nikkor 17-35mm f/2.8 ED-AFS"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.005000"  b="-0.020000" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.000000"  b="-0.005500" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.001000" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.000500" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="0.002500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="131"
+      name="Nikkor 17-55mm f/2.8G ED-IF AF-S DX"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="-0.010424" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.000000"  b="-0.005670" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.000000"  b="-0.000148" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.000000"  b="0.004472" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="0.005657" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000000"  b="0.007283" c="0.000000"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="0.005143" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="132"
+      name="Nikkor 18-35mm f/3.5-4.5D ED-IF AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.005981"  b="-0.024888" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.005045"  b="-0.019527" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.001429"  b="-0.009890" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.000000"  b="-0.005090" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="-0.003797" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.002437" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="133"
+      name="Nikkor 18-55mm f/3.5-5.6G ED AF-S DX"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.003409"  b="-0.019128" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.004200"  b="-0.018625" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.001149"  b="-0.008657" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.003041" c="0.000000"/>
+          </focallength>
+          <focallength value="31.000000">
+            <distortion a="0.000000"  b="-0.003664" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.002371" c="0.000000"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.000000"  b="-0.001655" c="0.000000"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="-0.001004" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="134"
+      name="Nikkor 18-70mm f/3.5-4.5G ED-IF AF-S DX"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.023969"  b="-0.060001" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.016845"  b="-0.038289" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.010564"  b="-0.022097" c="0.000000"/>
+          </focallength>
+          <focallength value="27.000000">
+            <distortion a="0.006823"  b="-0.012539" c="0.000000"/>
+          </focallength>
+          <focallength value="31.000000">
+            <distortion a="0.006238"  b="-0.009315" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.003441"  b="-0.003404" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000969"  b="0.001935" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="-0.000246"  b="0.004105" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000958"  b="0.002277" c="0.000000"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="-0.000474"  b="0.005767" c="0.000000"/>
+          </focallength>
+          <focallength value="62.000000">
+            <distortion a="-0.000546"  b="0.005724" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000042"  b="0.006308" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="135"
+      name="Nikkor 18-200mm f/3.5-5.6 G ED-IF AF-S VR DX"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.017598"  b="-0.049569" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.013846"  b="-0.036284" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.014876"  b="-0.023039" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.008669"  b="-0.007258" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000000"  b="0.012308" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="0.000000"  b="0.012651" c="0.000000"/>
+          </focallength>
+          <focallength value="56.000000">
+            <distortion a="0.000000"  b="0.010344" c="0.000000"/>
+          </focallength>
+          <focallength value="65.000000">
+            <distortion a="0.000000"  b="0.011336" c="0.000000"/>
+          </focallength>
+          <focallength value="82.000000">
+            <distortion a="0.000000"  b="0.009171" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.010009" c="0.000000"/>
+          </focallength>
+          <focallength value="130.000000">
+            <distortion a="0.000000"  b="0.007883" c="0.000000"/>
+          </focallength>
+          <focallength value="170.000000">
+            <distortion a="0.000000"  b="0.006480" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.005237" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="136"
+      name="Nikkor 24-50mm f/3.3-4.5D Ai AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.010413" c="0.000000"/>
+          </focallength>
+          <focallength value="29.000000">
+            <distortion a="0.000000"  b="-0.006777" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000000"  b="-0.003447" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.003329" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="137"
+      name="Nikkor 24-85mm f/2.8-4.0D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.005000"  b="-0.022000" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.004000"  b="-0.015000" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000800"  b="-0.002500" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.002500" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.004000" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.004000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="138"
+      name="Nikkor 24-85mm f/3.5-4.5G ED-IF AF-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.023939"  b="-0.061462" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.013898"  b="-0.018385" c="0.000000"/>
+          </focallength>
+          <focallength value="52.000000">
+            <distortion a="0.007150"  b="-0.000592" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.003769"  b="0.007774" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.003412"  b="0.008900" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="139"
+      name="Nikkor 24-120mm f/3.5-5.6G ED-IF AF-S VR"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.004393"  b="-0.018010" c="0.000000"/>
+          </focallength>
+          <focallength value="29.000000">
+            <distortion a="0.000000"  b="-0.003796" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="0.002203" c="0.000000"/>
+          </focallength>
+          <focallength value="52.000000">
+            <distortion a="0.000000"  b="0.005193" c="0.000000"/>
+          </focallength>
+          <focallength value="62.000000">
+            <distortion a="0.000000"  b="0.005274" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="0.005120" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.005317" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.005620" c="0.000000"/>
+          </focallength>
+          <focallength value="120.000000">
+            <distortion a="0.000000"  b="0.005123" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="140"
+      name="Nikkor 28-200mm f/3.5-5.6G ED-IF AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.005311" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.004112" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.006691" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="0.000000"  b="0.007929" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="0.000000"  b="0.007482" c="0.000000"/>
+          </focallength>
+          <focallength value="150.000000">
+            <distortion a="0.000000"  b="0.007459" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.007103" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="141"
+      name="Nikkor 35-70mm f/2.8D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.005179" c="0.000000"/>
+          </focallength>
+          <focallength value="39.000000">
+            <distortion a="0.000000"  b="-0.003271" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="0.000000"  b="-0.001363" c="0.000000"/>
+          </focallength>
+          <focallength value="52.000000">
+            <distortion a="0.000000"  b="0.002606" c="0.000000"/>
+          </focallength>
+          <focallength value="62.000000">
+            <distortion a="0.000000"  b="0.002756" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.003679" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="142"
+      name="Nikkor 50-135mm f/3.5 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.004500" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.002000" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.004000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="143"
+      name="Nikkor 55-200mm f/4-5.6 G ED AF-S DX"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="-0.000404" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.004874" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.009190" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.010207" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.010639" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.008208" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="144"
+      name="Nikkor 70-180mm f/4.5-5.6 ED-AF-D Micro"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.001200" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.002000" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.002500" c="0.000000"/>
+          </focallength>
+          <focallength value="180.000000">
+            <distortion a="0.000000"  b="0.002500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="145"
+      name="Nikkor 70-200mm f/2.8G ED-IF AF-S VR"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.004652" c="0.000000"/>
+          </focallength>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.003298" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="0.000000"  b="-0.001805" c="0.000000"/>
+          </focallength>
+          <focallength value="120.000000">
+            <distortion a="0.000000"  b="0.001192" c="0.000000"/>
+          </focallength>
+          <focallength value="175.000000">
+            <distortion a="0.000000"  b="0.003465" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.003092" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="146"
+      name="Nikkor 70-210mm f/4.5-5.6"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.007958" c="0.000000"/>
+          </focallength>
+          <focallength value="82.000000">
+            <distortion a="0.000000"  b="-0.001119" c="0.000000"/>
+          </focallength>
+          <focallength value="110.000000">
+            <distortion a="0.000000"  b="0.005210" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="0.000000"  b="0.006972" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.006988" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="147"
+      name="Nikkor 70-210mm f/4 AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="-0.002443"  b="0.001936" c="0.000000"/>
+          </focallength>
+          <focallength value="78.000000">
+            <distortion a="0.000804"  b="-0.004536" c="0.000000"/>
+          </focallength>
+          <focallength value="82.000000">
+            <distortion a="0.002886"  b="-0.009226" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="0.000099"  b="-0.002281" c="0.000000"/>
+          </focallength>
+          <focallength value="95.000000">
+            <distortion a="0.002007"  b="-0.005764" c="0.000000"/>
+          </focallength>
+          <focallength value="102.000000">
+            <distortion a="0.001088"  b="-0.003316" c="0.000000"/>
+          </focallength>
+          <focallength value="110.000000">
+            <distortion a="0.003534"  b="-0.008220" c="0.000000"/>
+          </focallength>
+          <focallength value="116.000000">
+            <distortion a="0.003553"  b="-0.008697" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="-0.001714"  b="-0.005350" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.002342"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="155.000000">
+            <distortion a="0.002777"  b="-0.005752" c="0.000000"/>
+          </focallength>
+          <focallength value="165.000000">
+            <distortion a="0.004853"  b="-0.009770" c="0.000000"/>
+          </focallength>
+          <focallength value="210.000000">
+            <distortion a="0.003682"  b="-0.006324" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="148"
+      name="Nikkor 70-300mm f/4-5.6D ED AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.001254" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.004173" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.006434" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.005485" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.004364" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="149"
+      name="Nikkor 70-300mm f/4-5.6G AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="-0.001254" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.004173" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.006434" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.005485" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.004364" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="150"
+      name="Nikkor 80-200mm f/2.8D ED AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.005110" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.000515" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.004233" c="0.000000"/>
+          </focallength>
+          <focallength value="180.000000">
+            <distortion a="0.000000"  b="0.010432" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.010603" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="151"
+      name="Nikkor 80-400mm f/4.5-5.6 ED-AF-D-VR"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.004300" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="-0.001500" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.001000" c="0.000000"/>
+          </focallength>
+          <focallength value="210.000000">
+            <distortion a="0.000000"  b="0.002500" c="0.000000"/>
+          </focallength>
+          <focallength value="310.000000">
+            <distortion a="0.000000"  b="0.003500" c="0.000000"/>
+          </focallength>
+          <focallength value="400.000000">
+            <distortion a="0.000000"  b="0.004500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="152"
+      name="Nikkor 14mm f/2.8D ED AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.000000">
+            <distortion a="0.013209"  b="-0.036529" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="153"
+      name="Nikkor 15mm f/3.5 AI"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="15.000000">
+            <distortion a="0.007000"  b="-0.021000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="154"
+      name="Nikkor 20mm f/2.8D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="20.000000">
+            <distortion a="0.006300"  b="-0.021000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="155"
+      name="Nikkor 24mm f/2.8D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.004425"  b="-0.013025" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="156"
+      name="Nikkor 24mm f/2.0 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.008000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="157"
+      name="Nikkor 28mm f/2.8D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.025773" c="-0.085777"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="158"
+      name="Nikkor 28mm f/2.0 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.004400" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="159"
+      name="Nikkor 28mm f/3.5 AI-S PC (unshifted)"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.007377"  b="-0.021769" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="160"
+      name="Nikkor 35mm f/1.4 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.005000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="161"
+      name="Nikkor 35mm f/2.0D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.001968"  b="-0.009475" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="162"
+      name="Nikkor 45mm f/2.8 AI GN"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="45.000000">
+            <distortion a="0.000000"  b="-0.000500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="163"
+      name="Nikkor 50mm f/1.4D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.004672" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="164"
+      name="Nikkor 50mm f/1.4 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.002500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="165"
+      name="Nikkor 50mm f/1.8 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.000500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="166"
+      name="Nikkor 50mm f/2.0 non-AI"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.002000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="167"
+      name="Nikkor 55mm f/1.2 AI"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="-0.003000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="168"
+      name="Nikkor 55mm f/2.8 AI-S Micro"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="-0.000200" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="169"
+      name="Nikkor 58mm f/1.2 Noct"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="58.000000">
+            <distortion a="0.000000"  b="-0.003000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="170"
+      name="Nikkor 85mm f/1.8D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="-0.000852" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="171"
+      name="Nikkor 105mm f/2.8D AF"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.001420" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="172"
+      name="Nikkor 135mm f/2.0 AI-S"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.001500" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="173"
+      name="Nikkor 180mm f/2.8 ED-AIS"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="180.000000">
+            <distortion a="0.000000"  b="0.001000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="174"
+      name="Nikkor 500mm f/8.0 Reflex"
+      mount="nikonSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="500.000000">
+            <distortion a="0.000000"  b="0.001000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="175"
+      name="Standard"
+      mount="olympus8080"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.013182"  b="-0.036019" c="0.000000"/>
+          </focallength>
+          <focallength value="8.400000">
+            <distortion a="0.007334"  b="-0.017216" c="0.000000"/>
+          </focallength>
+          <focallength value="10.700000">
+            <distortion a="0.001287"  b="0.004729" c="0.000000"/>
+          </focallength>
+          <focallength value="11.900000">
+            <distortion a="0.006157"  b="-0.005368" c="0.000000"/>
+          </focallength>
+          <focallength value="15.800000">
+            <distortion a="0.001207"  b="0.003221" c="0.000000"/>
+          </focallength>
+          <focallength value="20.600000">
+            <distortion a="0.003286"  b="0.001466" c="0.000000"/>
+          </focallength>
+          <focallength value="27.100000">
+            <distortion a="0.004701"  b="-0.005662" c="0.000000"/>
+          </focallength>
+          <focallength value="31.900000">
+            <distortion a="-0.005630"  b="0.017601" c="0.000000"/>
+          </focallength>
+          <focallength value="35.599998">
+            <distortion a="0.013081"  b="-0.014879" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="176"
+      name="Standard"
+      mount="olympusStylusV"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.950000">
+            <distortion a="0.000000"  b="-0.015907" c="0.000000"/>
+          </focallength>
+          <focallength value="6.760000">
+            <distortion a="0.000000"  b="-0.010180" c="0.000000"/>
+          </focallength>
+          <focallength value="8.020000">
+            <distortion a="0.000000"  b="-0.005811" c="0.000000"/>
+          </focallength>
+          <focallength value="9.340000">
+            <distortion a="0.000000"  b="-0.004323" c="0.000000"/>
+          </focallength>
+          <focallength value="10.650000">
+            <distortion a="0.000000"  b="-0.002622" c="0.000000"/>
+          </focallength>
+          <focallength value="11.520000">
+            <distortion a="0.000000"  b="-0.001258" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="177"
+      name="Standard"
+      mount="olympus7000"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.900000">
+            <distortion a="0.008728"  b="-0.032692" c="0.000000"/>
+          </focallength>
+          <focallength value="10.400000">
+            <distortion a="0.004014"  b="-0.012678" c="0.000000"/>
+          </focallength>
+          <focallength value="11.200000">
+            <distortion a="0.000366"  b="-0.004663" c="0.000000"/>
+          </focallength>
+          <focallength value="12.100000">
+            <distortion a="0.000000"  b="-0.002819" c="0.000000"/>
+          </focallength>
+          <focallength value="14.300000">
+            <distortion a="0.000000"  b="-0.002892" c="0.000000"/>
+          </focallength>
+          <focallength value="17.100000">
+            <distortion a="0.000000"  b="-0.002579" c="0.000000"/>
+          </focallength>
+          <focallength value="18.700001">
+            <distortion a="0.000000"  b="-0.002406" c="0.000000"/>
+          </focallength>
+          <focallength value="22.299999">
+            <distortion a="0.000000"  b="-0.000464" c="0.000000"/>
+          </focallength>
+          <focallength value="31.299999">
+            <distortion a="0.000000"  b="0.005551" c="0.000000"/>
+          </focallength>
+          <focallength value="39.500000">
+            <distortion a="0.000000"  b="0.006440" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="178"
+      name="Standard"
+      mount="olympus4000"
+      calib_cropfactor="4.920000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.800000">
+            <distortion a="0.021642"  b="-0.049919" c="0.000000"/>
+          </focallength>
+          <focallength value="7.300000">
+            <distortion a="0.019191"  b="-0.041291" c="0.000000"/>
+          </focallength>
+          <focallength value="7.700000">
+            <distortion a="0.016704"  b="-0.034647" c="0.000000"/>
+          </focallength>
+          <focallength value="8.500000">
+            <distortion a="0.007519"  b="-0.013786" c="0.000000"/>
+          </focallength>
+          <focallength value="9.600000">
+            <distortion a="0.010265"  b="-0.014702" c="0.000000"/>
+          </focallength>
+          <focallength value="11.500000">
+            <distortion a="0.008528"  b="-0.008361" c="0.000000"/>
+          </focallength>
+          <focallength value="13.900000">
+            <distortion a="0.007456"  b="-0.006165" c="0.000000"/>
+          </focallength>
+          <focallength value="14.800000">
+            <distortion a="0.000000"  b="0.006037" c="0.000000"/>
+          </focallength>
+          <focallength value="19.100000">
+            <distortion a="0.000000"  b="0.004666" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="179"
+      name="A-28 iS/L Converter"
+      mount="olympus4000"
+      calib_cropfactor="4.920000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.800000">
+            <distortion a="0.033000"  b="-0.072996" c="0.000000"/>
+          </focallength>
+          <focallength value="8.500000">
+            <distortion a="0.018055"  b="-0.035714" c="0.000000"/>
+          </focallength>
+          <focallength value="9.600000">
+            <distortion a="0.011346"  b="-0.019011" c="0.000000"/>
+          </focallength>
+          <focallength value="10.700000">
+            <distortion a="0.000000"  b="0.005155" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.000000"  b="0.005255" c="0.000000"/>
+          </focallength>
+          <focallength value="13.100000">
+            <distortion a="0.000000"  b="0.005363" c="0.000000"/>
+          </focallength>
+          <focallength value="14.800000">
+            <distortion a="0.000000"  b="0.004901" c="0.000000"/>
+          </focallength>
+          <focallength value="19.900000">
+            <distortion a="0.000000"  b="0.004447" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="180"
+      name="Standard"
+      mount="olympusC50"
+      calib_cropfactor="4.900000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.800000">
+            <distortion a="0.000000"  b="-0.013352" c="0.000000"/>
+          </focallength>
+          <focallength value="9.040000">
+            <distortion a="0.000000"  b="-0.011264" c="0.000000"/>
+          </focallength>
+          <focallength value="10.590000">
+            <distortion a="0.000000"  b="-0.008279" c="0.000000"/>
+          </focallength>
+          <focallength value="12.360000">
+            <distortion a="0.000000"  b="-0.004946" c="0.000000"/>
+          </focallength>
+          <focallength value="18.830000">
+            <distortion a="0.000000"  b="-0.002577" c="0.000000"/>
+          </focallength>
+          <focallength value="21.639999">
+            <distortion a="0.000000"  b="-0.001835" c="0.000000"/>
+          </focallength>
+          <focallength value="23.400000">
+            <distortion a="0.000000"  b="-0.001201" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="181"
+      name="Standard"
+      mount="olympus750"
+      calib_cropfactor="6.030000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.300000">
+            <distortion a="0.014396"  b="-0.031980" c="0.000000"/>
+          </focallength>
+          <focallength value="8.600000">
+            <distortion a="0.004455"  b="-0.008915" c="0.000000"/>
+          </focallength>
+          <focallength value="10.400000">
+            <distortion a="0.000123"  b="-0.001324" c="0.000000"/>
+          </focallength>
+          <focallength value="12.100000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="52.400002">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="57.099998">
+            <distortion a="0.000000"  b="0.001557" c="0.000000"/>
+          </focallength>
+          <focallength value="63.000000">
+            <distortion a="0.000000"  b="0.004464" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="182"
+      name="Standard"
+      mount="olympus700"
+      calib_cropfactor="6.520000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.900000">
+            <distortion a="0.020350"  b="-0.054079" c="0.000000"/>
+          </focallength>
+          <focallength value="6.900000">
+            <distortion a="0.014877"  b="-0.033764" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.008152"  b="-0.016493" c="0.000000"/>
+          </focallength>
+          <focallength value="13.700000">
+            <distortion a="0.000000"  b="-0.001382" c="0.000000"/>
+          </focallength>
+          <focallength value="17.299999">
+            <distortion a="0.000000"  b="-0.002491" c="0.000000"/>
+          </focallength>
+          <focallength value="23.700001">
+            <distortion a="0.000000"  b="-0.002448" c="0.000000"/>
+          </focallength>
+          <focallength value="32.400002">
+            <distortion a="0.000000"  b="-0.004102" c="0.000000"/>
+          </focallength>
+          <focallength value="58.000000">
+            <distortion a="0.000000"  b="-0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="183"
+      name="Standard"
+      mount="olympus2040"
+      calib_cropfactor="4.930000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.018282"  b="-0.052125" c="0.000000"/>
+          </focallength>
+          <focallength value="7.900000">
+            <distortion a="0.019487"  b="-0.050797" c="0.000000"/>
+          </focallength>
+          <focallength value="8.200000">
+            <distortion a="0.012667"  b="-0.033455" c="0.000000"/>
+          </focallength>
+          <focallength value="8.400000">
+            <distortion a="0.007855"  b="-0.023699" c="0.000000"/>
+          </focallength>
+          <focallength value="8.700000">
+            <distortion a="0.012867"  b="-0.032007" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.000566"  b="-0.004599" c="0.000000"/>
+          </focallength>
+          <focallength value="11.900000">
+            <distortion a="0.007423"  b="-0.014208" c="0.000000"/>
+          </focallength>
+          <focallength value="13.200000">
+            <distortion a="-0.002075"  b="0.005545" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="-0.004884"  b="0.014178" c="0.000000"/>
+          </focallength>
+          <focallength value="17.600000">
+            <distortion a="-0.013836"  b="0.033711" c="0.000000"/>
+          </focallength>
+          <focallength value="21.299999">
+            <distortion a="0.000657"  b="0.002024" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="184"
+      name="WCON-08B"
+      mount="olympus2040"
+      calib_cropfactor="4.930000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.027465"  b="-0.073620" c="0.000000"/>
+          </focallength>
+          <focallength value="7.900000">
+            <distortion a="0.012773"  b="-0.036148" c="0.000000"/>
+          </focallength>
+          <focallength value="8.700000">
+            <distortion a="0.019964"  b="-0.047659" c="0.000000"/>
+          </focallength>
+          <focallength value="9.000000">
+            <distortion a="0.010697"  b="-0.028343" c="0.000000"/>
+          </focallength>
+          <focallength value="10.500000">
+            <distortion a="0.004591"  b="-0.013381" c="0.000000"/>
+          </focallength>
+          <focallength value="11.900000">
+            <distortion a="0.010830"  b="-0.021339" c="0.000000"/>
+          </focallength>
+          <focallength value="13.200000">
+            <distortion a="0.005054"  b="-0.010225" c="0.000000"/>
+          </focallength>
+          <focallength value="14.500000">
+            <distortion a="0.001686"  b="-0.001529" c="0.000000"/>
+          </focallength>
+          <focallength value="16.900000">
+            <distortion a="-0.002782"  b="0.008112" c="0.000000"/>
+          </focallength>
+          <focallength value="17.600000">
+            <distortion a="0.000679"  b="0.001663" c="0.000000"/>
+          </focallength>
+          <focallength value="21.299999">
+            <distortion a="0.004686"  b="-0.008143" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="185"
+      name="Standard"
+      mount="olympus5060"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.700000">
+            <distortion a="0.000000"  b="-0.004736" c="-0.025632"/>
+          </focallength>
+          <focallength value="7.300000">
+            <distortion a="0.000000"  b="-0.001423" c="-0.032997"/>
+          </focallength>
+          <focallength value="8.600000">
+            <distortion a="0.000000"  b="-0.043809" c="0.067939"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="-0.010586" c="0.000919"/>
+          </focallength>
+          <focallength value="11.800000">
+            <distortion a="0.000000"  b="-0.007287" c="0.002822"/>
+          </focallength>
+          <focallength value="12.800000">
+            <distortion a="0.000000"  b="-0.007539" c="-0.014107"/>
+          </focallength>
+          <focallength value="13.400000">
+            <distortion a="0.000000"  b="-0.015426" c="0.020200"/>
+          </focallength>
+          <focallength value="14.500000">
+            <distortion a="0.000000"  b="-0.011352" c="0.021863"/>
+          </focallength>
+          <focallength value="15.800000">
+            <distortion a="0.000000"  b="-0.000188" c="-0.010549"/>
+          </focallength>
+          <focallength value="18.900000">
+            <distortion a="0.000000"  b="-0.009209" c="0.013324"/>
+          </focallength>
+          <focallength value="20.400000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="22.900000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="186"
+      name="Standard"
+      mount="olympusC860"
+      calib_cropfactor="6.563000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.500000">
+            <distortion a="0.011150"  b="-0.029245" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="187"
+      name="Standard"
+      mount="olympusEpic"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="-0.012470"  b="0.027098" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="188"
+      name="Zuiko Digital 7-14mm f/4.0"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="-0.013136"  b="0.015797" c="0.000000"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="-0.020562"  b="0.041619" c="0.000000"/>
+          </focallength>
+          <focallength value="9.000000">
+            <distortion a="0.000000"  b="-0.001810" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.000000"  b="0.004183" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.000000"  b="0.005149" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="189"
+      name="Zuiko Digital 11-22mm f/2.8-3.5"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="11.000000">
+            <distortion a="0.000000"  b="-0.008811" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.000000"  b="-0.006178" c="0.000000"/>
+          </focallength>
+          <focallength value="13.000000">
+            <distortion a="0.000000"  b="-0.004701" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.000000"  b="-0.004665" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.000000"  b="-0.002232" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="190"
+      name="Zuiko Digital 14-45mm f/3.5-5.6"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.000000">
+            <distortion a="0.015865"  b="-0.045846" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.000000"  b="-0.012163" c="0.000000"/>
+          </focallength>
+          <focallength value="25.000000">
+            <distortion a="0.000000"  b="-0.007852" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.002850" c="0.000000"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.000000"  b="-0.001233" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="191"
+      name="Zuiko Digital 14-54mm f/2.8-3.5"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.000000">
+            <distortion a="0.019325"  b="-0.040094" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.010371"  b="-0.017732" c="0.000000"/>
+          </focallength>
+          <focallength value="25.000000">
+            <distortion a="0.002227"  b="-0.001738" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="54.000000">
+            <distortion a="0.000000"  b="-0.001107" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="192"
+      name="Zuiko Digital 40-150mm f/3.5-4.5"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="-0.006351" c="0.000000"/>
+          </focallength>
+          <focallength value="48.000000">
+            <distortion a="0.000000"  b="-0.001390" c="0.000000"/>
+          </focallength>
+          <focallength value="68.000000">
+            <distortion a="0.000000"  b="0.004043" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.006806" c="0.000000"/>
+          </focallength>
+          <focallength value="150.000000">
+            <distortion a="0.000000"  b="0.005332" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="193"
+      name="Zuiko Digital 50-200mm f/2.8-3.5"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.005194" c="0.000000"/>
+          </focallength>
+          <focallength value="62.000000">
+            <distortion a="0.000000"  b="-0.002175" c="0.000000"/>
+          </focallength>
+          <focallength value="69.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="83.000000">
+            <distortion a="0.000000"  b="0.001879" c="0.000000"/>
+          </focallength>
+          <focallength value="101.000000">
+            <distortion a="0.000000"  b="0.003690" c="0.000000"/>
+          </focallength>
+          <focallength value="130.000000">
+            <distortion a="0.000000"  b="0.004293" c="0.000000"/>
+          </focallength>
+          <focallength value="158.000000">
+            <distortion a="0.000000"  b="0.004686" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.003465" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="194"
+      name="Zuiko Digital 50mm f/2.0 Macro"
+      mount="olympusSLR"
+      calib_cropfactor="2.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.001878"  b="-0.005529" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="195"
+      name="Standard"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.000000">
+            <distortion a="0.000000"  b="-0.015682" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="-0.011648" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.000000"  b="-0.006453" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.000000"  b="-0.003862" c="0.000000"/>
+          </focallength>
+          <focallength value="13.000000">
+            <distortion a="0.000000"  b="-0.002817" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="0.000000"  b="-0.000837" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.000000"  b="-0.000867" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.000000"  b="0.000116" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.000000"  b="-0.000023" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="0.000273" c="0.000000"/>
+          </focallength>
+          <focallength value="36.000000">
+            <distortion a="0.000000"  b="0.000029" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="196"
+      name="WCON-08B"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.000000">
+            <distortion a="0.015434"  b="-0.044944" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.015297"  b="-0.039777" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.011044"  b="-0.029992" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.010271"  b="-0.025622" c="0.000000"/>
+          </focallength>
+          <focallength value="13.000000">
+            <distortion a="0.006898"  b="-0.012403" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="197"
+      name="B-300 (full tele)"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="1.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="36.000000">
+            <distortion a="0.001885"  b="0.002595" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="198"
+      name="macro (full tele): 8 inches lens-to-subject"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="36.000000">
+            <distortion a="0.000000"  b="-0.002276" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="199"
+      name="macro (full tele): 12 inches lens-to-subject"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="36.000000">
+            <distortion a="0.000000"  b="-0.001400" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="200"
+      name="macro (full tele): 16 inches lens-to-subject"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="36.000000">
+            <distortion a="0.000000"  b="-0.001229" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="201"
+      name="macro (full tele): 20 inches lens-to-subject"
+      mount="olympusE10"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="36.000000">
+            <distortion a="0.000000"  b="-0.001085" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="202"
+      name="Standard"
+      mount="panasonicLX1"
+      calib_cropfactor="4.450000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.300000">
+            <distortion a="0.007252"  b="-0.024439" c="0.000000"/>
+          </focallength>
+          <focallength value="6.700000">
+            <distortion a="0.005478"  b="-0.019975" c="0.000000"/>
+          </focallength>
+          <focallength value="7.500000">
+            <distortion a="0.003453"  b="-0.012092" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.000000"  b="-0.000134" c="0.000000"/>
+          </focallength>
+          <focallength value="10.800000">
+            <distortion a="0.000000"  b="0.001701" c="0.000000"/>
+          </focallength>
+          <focallength value="14.400000">
+            <distortion a="0.000000"  b="0.003043" c="0.000000"/>
+          </focallength>
+          <focallength value="19.200001">
+            <distortion a="0.000000"  b="0.003160" c="0.000000"/>
+          </focallength>
+          <focallength value="23.200001">
+            <distortion a="0.000000"  b="0.003386" c="0.000000"/>
+          </focallength>
+          <focallength value="25.200001">
+            <distortion a="0.000000"  b="0.003557" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="203"
+      name="Standard"
+      mount="panasonicLZ2"
+      calib_cropfactor="6.060000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.100000">
+            <distortion a="0.018339"  b="-0.048901" c="0.000000"/>
+          </focallength>
+          <focallength value="7.000000">
+            <distortion a="0.011425"  b="-0.029522" c="0.000000"/>
+          </focallength>
+          <focallength value="7.900000">
+            <distortion a="0.010736"  b="-0.024495" c="0.000000"/>
+          </focallength>
+          <focallength value="8.900000">
+            <distortion a="0.007669"  b="-0.016263" c="0.000000"/>
+          </focallength>
+          <focallength value="11.400000">
+            <distortion a="0.000000"  b="0.000680" c="0.000000"/>
+          </focallength>
+          <focallength value="16.100000">
+            <distortion a="0.000000"  b="0.001050" c="0.000000"/>
+          </focallength>
+          <focallength value="22.700001">
+            <distortion a="0.000000"  b="0.001032" c="0.000000"/>
+          </focallength>
+          <focallength value="27.600000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="36.599998">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="204"
+      name="Standard"
+      mount="panasonicFX7"
+      calib_cropfactor="6.050000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.004918"  b="-0.016726" c="0.000000"/>
+          </focallength>
+          <focallength value="8.500000">
+            <distortion a="0.003428"  b="-0.010885" c="0.000000"/>
+          </focallength>
+          <focallength value="10.100000">
+            <distortion a="0.000000"  b="-0.001831" c="0.000000"/>
+          </focallength>
+          <focallength value="12.300000">
+            <distortion a="0.000000"  b="0.000183" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.000000"  b="0.000416" c="0.000000"/>
+          </focallength>
+          <focallength value="16.100000">
+            <distortion a="0.000000"  b="0.001765" c="0.000000"/>
+          </focallength>
+          <focallength value="17.400000">
+            <distortion a="0.000000"  b="0.001235" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="205"
+      name="Standard"
+      mount="panasonicFZ30"
+      calib_cropfactor="4.730000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.400000">
+            <distortion a="0.014174"  b="-0.039301" c="0.000000"/>
+          </focallength>
+          <focallength value="8.900000">
+            <distortion a="0.011806"  b="-0.025518" c="0.000000"/>
+          </focallength>
+          <focallength value="10.900000">
+            <distortion a="0.005042"  b="-0.008641" c="0.000000"/>
+          </focallength>
+          <focallength value="15.100000">
+            <distortion a="0.000000"  b="0.002124" c="0.000000"/>
+          </focallength>
+          <focallength value="21.700001">
+            <distortion a="0.000000"  b="0.001727" c="0.000000"/>
+          </focallength>
+          <focallength value="31.799999">
+            <distortion a="0.000000"  b="-0.000580" c="0.000000"/>
+          </focallength>
+          <focallength value="50.700001">
+            <distortion a="0.000000"  b="-0.002237" c="0.000000"/>
+          </focallength>
+          <focallength value="63.900002">
+            <distortion a="0.000000"  b="-0.001695" c="0.000000"/>
+          </focallength>
+          <focallength value="77.699997">
+            <distortion a="0.000000"  b="-0.001747" c="0.000000"/>
+          </focallength>
+          <focallength value="88.800003">
+            <distortion a="0.000000"  b="-0.001182" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="206"
+      name="Standard"
+      mount="panasonicFZ10"
+      calib_cropfactor="5.840000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.015495"  b="-0.046197" c="0.000000"/>
+          </focallength>
+          <focallength value="7.000000">
+            <distortion a="0.014175"  b="-0.026853" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.005110"  b="0.000522" c="0.000000"/>
+          </focallength>
+          <focallength value="21.100000">
+            <distortion a="0.000000"  b="0.003946" c="0.000000"/>
+          </focallength>
+          <focallength value="37.599998">
+            <distortion a="0.000000"  b="0.000939" c="0.000000"/>
+          </focallength>
+          <focallength value="47.099998">
+            <distortion a="0.000000"  b="0.001020" c="0.000000"/>
+          </focallength>
+          <focallength value="56.099998">
+            <distortion a="0.000000"  b="0.001170" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.001308" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="207"
+      name="Standard"
+      mount="panasonicFZ5"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.007805"  b="-0.026346" c="0.000000"/>
+          </focallength>
+          <focallength value="7.700000">
+            <distortion a="0.008566"  b="-0.017707" c="0.000000"/>
+          </focallength>
+          <focallength value="9.500000">
+            <distortion a="0.000000"  b="0.003184" c="0.000000"/>
+          </focallength>
+          <focallength value="13.400000">
+            <distortion a="0.000617"  b="0.002603" c="0.000000"/>
+          </focallength>
+          <focallength value="26.799999">
+            <distortion a="0.000000"  b="0.001000" c="0.000000"/>
+          </focallength>
+          <focallength value="51.799999">
+            <distortion a="0.000000"  b="0.001249" c="0.000000"/>
+          </focallength>
+          <focallength value="63.299999">
+            <distortion a="0.000000"  b="0.003277" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.004148" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="208"
+      name="Standard"
+      mount="panasonicFZ3"
+      calib_cropfactor="7.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="4.600000">
+            <distortion a="0.016092"  b="-0.047846" c="0.000000"/>
+          </focallength>
+          <focallength value="5.000000">
+            <distortion a="0.013070"  b="-0.031845" c="0.000000"/>
+          </focallength>
+          <focallength value="5.700000">
+            <distortion a="0.011157"  b="-0.020427" c="0.000000"/>
+          </focallength>
+          <focallength value="6.200000">
+            <distortion a="0.010717"  b="-0.017183" c="0.000000"/>
+          </focallength>
+          <focallength value="10.100000">
+            <distortion a="0.000000"  b="0.006851" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.000000"  b="0.002924" c="0.000000"/>
+          </focallength>
+          <focallength value="22.900000">
+            <distortion a="0.000000"  b="0.001299" c="0.000000"/>
+          </focallength>
+          <focallength value="30.500000">
+            <distortion a="0.000000"  b="0.001482" c="0.000000"/>
+          </focallength>
+          <focallength value="37.799999">
+            <distortion a="0.000000"  b="0.000853" c="0.000000"/>
+          </focallength>
+          <focallength value="50.900002">
+            <distortion a="0.000000"  b="0.003134" c="0.000000"/>
+          </focallength>
+          <focallength value="55.200001">
+            <distortion a="0.000000"  b="0.002567" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="209"
+      name="Standard"
+      mount="pentax43WR"
+      calib_cropfactor="6.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.700000">
+            <distortion a="0.000510"  b="-0.015327" c="0.000000"/>
+          </focallength>
+          <focallength value="6.900000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="8.200000">
+            <distortion a="-0.006746"  b="0.019261" c="0.000000"/>
+          </focallength>
+          <focallength value="9.800000">
+            <distortion a="-0.011758"  b="0.033480" c="0.000000"/>
+          </focallength>
+          <focallength value="11.900000">
+            <distortion a="-0.015423"  b="0.040788" c="0.000000"/>
+          </focallength>
+          <focallength value="14.700000">
+            <distortion a="-0.017255"  b="0.043783" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="-0.021041"  b="0.050701" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="210"
+      name="Standard"
+      mount="pentax750"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.800000">
+            <distortion a="0.017912"  b="-0.044145" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.010471"  b="-0.016609" c="0.000000"/>
+          </focallength>
+          <focallength value="10.900000">
+            <distortion a="0.007020"  b="-0.002889" c="0.000000"/>
+          </focallength>
+          <focallength value="12.800000">
+            <distortion a="0.007121"  b="0.000786" c="0.000000"/>
+          </focallength>
+          <focallength value="14.900000">
+            <distortion a="0.004833"  b="0.007372" c="0.000000"/>
+          </focallength>
+          <focallength value="20.400000">
+            <distortion a="0.000000"  b="0.016691" c="0.000000"/>
+          </focallength>
+          <focallength value="27.799999">
+            <distortion a="0.000000"  b="0.016102" c="0.000000"/>
+          </focallength>
+          <focallength value="39.000000">
+            <distortion a="0.000000"  b="0.011569" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="211"
+      name="Standard"
+      mount="pentax230"
+      calib_cropfactor="6.563000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.021182"  b="-0.054588" c="0.000000"/>
+          </focallength>
+          <focallength value="7.800000">
+            <distortion a="-0.000669"  b="-0.007830" c="0.000000"/>
+          </focallength>
+          <focallength value="9.600000">
+            <distortion a="-0.002098"  b="-0.001871" c="0.000000"/>
+          </focallength>
+          <focallength value="11.500000">
+            <distortion a="-0.002680"  b="0.000773" c="0.000000"/>
+          </focallength>
+          <focallength value="13.300000">
+            <distortion a="-0.003061"  b="0.001865" c="0.000000"/>
+          </focallength>
+          <focallength value="15.200000">
+            <distortion a="0.003807"  b="-0.012299" c="0.000000"/>
+          </focallength>
+          <focallength value="17.400000">
+            <distortion a="0.001466"  b="-0.007908" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="212"
+      name="Standard"
+      mount="pentax430"
+      calib_cropfactor="4.850000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.600000">
+            <distortion a="0.001250"  b="-0.015475" c="0.000000"/>
+          </focallength>
+          <focallength value="10.200000">
+            <distortion a="0.003051"  b="-0.012489" c="0.000000"/>
+          </focallength>
+          <focallength value="12.600000">
+            <distortion a="0.000000"  b="-0.002855" c="0.000000"/>
+          </focallength>
+          <focallength value="15.200000">
+            <distortion a="0.000000"  b="-0.001651" c="0.000000"/>
+          </focallength>
+          <focallength value="17.700001">
+            <distortion a="0.000000"  b="-0.001512" c="0.000000"/>
+          </focallength>
+          <focallength value="20.200001">
+            <distortion a="0.000000"  b="-0.002270" c="0.000000"/>
+          </focallength>
+          <focallength value="22.799999">
+            <distortion a="0.000000"  b="-0.002609" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="213"
+      name="Pentax 16-45mm f/4.0 P-DA J ED/AL"
+      mount="pentaxSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="16.000000">
+            <distortion a="0.012341"  b="-0.035947" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.009928"  b="-0.029930" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.005774"  b="-0.016410" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.006045"  b="-0.015109" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.000000"  b="0.000197" c="0.000000"/>
+          </focallength>
+          <focallength value="29.000000">
+            <distortion a="0.000000"  b="0.002637" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.000000"  b="0.003505" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.000000"  b="0.003288" c="0.000000"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.000000"  b="0.003622" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="214"
+      name="Pentax 18-55mm f/3.5-5.6"
+      mount="pentaxSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.004593"  b="-0.021008" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.003710"  b="-0.014625" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.004166" c="0.000000"/>
+          </focallength>
+          <focallength value="33.000000">
+            <distortion a="0.000000"  b="0.000528" c="0.000000"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="0.003215" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="215"
+      name="Pentax 50-200mm f/4-5.6 P-DA ED"
+      mount="pentaxSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.004038" c="0.000000"/>
+          </focallength>
+          <focallength value="63.000000">
+            <distortion a="0.000000"  b="0.001607" c="0.000000"/>
+          </focallength>
+          <focallength value="95.000000">
+            <distortion a="0.000000"  b="0.007697" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="0.000000"  b="0.007991" c="0.000000"/>
+          </focallength>
+          <focallength value="138.000000">
+            <distortion a="0.000000"  b="0.008036" c="0.000000"/>
+          </focallength>
+          <focallength value="160.000000">
+            <distortion a="0.000000"  b="0.007909" c="0.000000"/>
+          </focallength>
+          <focallength value="180.000000">
+            <distortion a="0.000000"  b="0.009293" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.007685" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="216"
+      name="Standard"
+      mount="ricohGR"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.900000">
+            <distortion a="0.008807"  b="-0.022132" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="217"
+      name="Standard"
+      mount="ricohGX"
+      calib_cropfactor="4.900000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.010201"  b="-0.035572" c="0.000000"/>
+          </focallength>
+          <focallength value="7.200000">
+            <distortion a="0.008368"  b="-0.030732" c="0.000000"/>
+          </focallength>
+          <focallength value="8.600000">
+            <distortion a="0.000000"  b="-0.011357" c="0.000000"/>
+          </focallength>
+          <focallength value="10.600000">
+            <distortion a="0.000000"  b="-0.008582" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.000000"  b="-0.006789" c="0.000000"/>
+          </focallength>
+          <focallength value="13.500000">
+            <distortion a="0.000000"  b="-0.005898" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="0.000000"  b="-0.005782" c="0.000000"/>
+          </focallength>
+          <focallength value="17.400000">
+            <distortion a="0.000000"  b="-0.004653" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="218"
+      name="DW-4"
+      mount="ricohGX"
+      calib_cropfactor="4.900000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.800000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.800000">
+            <distortion a="0.016596"  b="-0.050843" c="0.000000"/>
+          </focallength>
+          <focallength value="7.200000">
+            <distortion a="0.011694"  b="-0.042050" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.000000"  b="-0.016018" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.000000"  b="-0.012339" c="0.000000"/>
+          </focallength>
+          <focallength value="11.300000">
+            <distortion a="0.000000"  b="-0.011732" c="0.000000"/>
+          </focallength>
+          <focallength value="13.500000">
+            <distortion a="0.000000"  b="-0.007362" c="0.000000"/>
+          </focallength>
+          <focallength value="15.800000">
+            <distortion a="0.000000"  b="-0.005769" c="0.000000"/>
+          </focallength>
+          <focallength value="17.400000">
+            <distortion a="0.000000"  b="-0.005946" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="219"
+      name="Standard"
+      mount="ricohRR30"
+      calib_cropfactor="6.400000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="5.700000">
+            <distortion a="0.000000"  b="-0.015153" c="0.000000"/>
+          </focallength>
+          <focallength value="7.000000">
+            <distortion a="0.000000"  b="-0.008738" c="0.000000"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="0.000000"  b="-0.005355" c="0.000000"/>
+          </focallength>
+          <focallength value="9.300000">
+            <distortion a="0.000000"  b="-0.003278" c="0.000000"/>
+          </focallength>
+          <focallength value="11.600000">
+            <distortion a="0.000000"  b="-0.002382" c="0.000000"/>
+          </focallength>
+          <focallength value="13.200000">
+            <distortion a="0.000000"  b="-0.003511" c="0.000000"/>
+          </focallength>
+          <focallength value="16.299999">
+            <distortion a="0.000000"  b="-0.006576" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="220"
+      name="Standard"
+      mount="sonyR1"
+      calib_cropfactor="1.680000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.300000">
+            <distortion a="0.016048"  b="-0.042510" c="0.000000"/>
+          </focallength>
+          <focallength value="14.800000">
+            <distortion a="0.013923"  b="-0.036204" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.007736"  b="-0.019699" c="0.000000"/>
+          </focallength>
+          <focallength value="17.799999">
+            <distortion a="0.006109"  b="-0.012654" c="0.000000"/>
+          </focallength>
+          <focallength value="19.700001">
+            <distortion a="0.007790"  b="-0.014520" c="0.000000"/>
+          </focallength>
+          <focallength value="22.200001">
+            <distortion a="0.006436"  b="-0.009769" c="0.000000"/>
+          </focallength>
+          <focallength value="26.200001">
+            <distortion a="0.000000"  b="0.003560" c="0.000000"/>
+          </focallength>
+          <focallength value="28.700001">
+            <distortion a="0.000000"  b="0.003947" c="0.000000"/>
+          </focallength>
+          <focallength value="32.299999">
+            <distortion a="0.000000"  b="0.003852" c="0.000000"/>
+          </focallength>
+          <focallength value="35.400002">
+            <distortion a="0.000000"  b="0.003556" c="0.000000"/>
+          </focallength>
+          <focallength value="39.500000">
+            <distortion a="0.000000"  b="0.003135" c="0.000000"/>
+          </focallength>
+          <focallength value="49.799999">
+            <distortion a="0.000000"  b="0.002513" c="0.000000"/>
+          </focallength>
+          <focallength value="65.699997">
+            <distortion a="0.000000"  b="0.000510" c="0.000000"/>
+          </focallength>
+          <focallength value="71.500000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="221"
+      name="Standard"
+      mount="sonyH1"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.021497"  b="-0.054037" c="0.000000"/>
+          </focallength>
+          <focallength value="6.400000">
+            <distortion a="0.020384"  b="-0.046414" c="0.000000"/>
+          </focallength>
+          <focallength value="6.700000">
+            <distortion a="0.015021"  b="-0.035280" c="0.000000"/>
+          </focallength>
+          <focallength value="7.100000">
+            <distortion a="0.012633"  b="-0.028516" c="0.000000"/>
+          </focallength>
+          <focallength value="7.800000">
+            <distortion a="0.012854"  b="-0.025864" c="0.000000"/>
+          </focallength>
+          <focallength value="8.900000">
+            <distortion a="0.006579"  b="-0.010167" c="0.000000"/>
+          </focallength>
+          <focallength value="9.800000">
+            <distortion a="0.008125"  b="-0.013508" c="0.000000"/>
+          </focallength>
+          <focallength value="14.200000">
+            <distortion a="0.004555"  b="-0.006496" c="0.000000"/>
+          </focallength>
+          <focallength value="17.500000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="45.200001">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.001577" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="222"
+      name="VCL-DH0758 0.7x Converter"
+      mount="sonyH1"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.026726"  b="-0.080352" c="0.000000"/>
+          </focallength>
+          <focallength value="6.600000">
+            <distortion a="0.022257"  b="-0.062663" c="0.000000"/>
+          </focallength>
+          <focallength value="7.500000">
+            <distortion a="0.017517"  b="-0.047928" c="0.000000"/>
+          </focallength>
+          <focallength value="8.400000">
+            <distortion a="0.013993"  b="-0.036261" c="0.000000"/>
+          </focallength>
+          <focallength value="9.600000">
+            <distortion a="0.009595"  b="-0.025744" c="0.000000"/>
+          </focallength>
+          <focallength value="10.900000">
+            <distortion a="0.005448"  b="-0.015924" c="0.000000"/>
+          </focallength>
+          <focallength value="13.800000">
+            <distortion a="0.000000"  b="-0.004096" c="0.000000"/>
+          </focallength>
+          <focallength value="19.799999">
+            <distortion a="0.000000"  b="-0.003755" c="0.000000"/>
+          </focallength>
+          <focallength value="28.400000">
+            <distortion a="0.000000"  b="-0.004627" c="0.000000"/>
+          </focallength>
+          <focallength value="48.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="223"
+      name="VCL-DH1758 1.7x Converter"
+      mount="sonyH1"
+      calib_cropfactor="6.000000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="1.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="22.500000">
+            <distortion a="0.000000"  b="-0.005730" c="0.000000"/>
+          </focallength>
+          <focallength value="25.700001">
+            <distortion a="0.000000"  b="-0.005648" c="0.000000"/>
+          </focallength>
+          <focallength value="32.099998">
+            <distortion a="0.000000"  b="-0.004426" c="0.000000"/>
+          </focallength>
+          <focallength value="47.099998">
+            <distortion a="0.000000"  b="-0.001850" c="0.000000"/>
+          </focallength>
+          <focallength value="61.700001">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="68.300003">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.001196" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="224"
+      name="Standard"
+      mount="sony828"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.018095"  b="-0.048162" c="0.000000"/>
+          </focallength>
+          <focallength value="8.100000">
+            <distortion a="0.014132"  b="-0.032924" c="0.000000"/>
+          </focallength>
+          <focallength value="8.700000">
+            <distortion a="-0.000660"  b="-0.002438" c="0.000000"/>
+          </focallength>
+          <focallength value="10.600000">
+            <distortion a="-0.004167"  b="0.008802" c="0.000000"/>
+          </focallength>
+          <focallength value="12.200000">
+            <distortion a="0.001366"  b="-0.001343" c="0.000000"/>
+          </focallength>
+          <focallength value="14.300000">
+            <distortion a="0.000869"  b="0.000672" c="0.000000"/>
+          </focallength>
+          <focallength value="17.500000">
+            <distortion a="-0.010260"  b="0.019351" c="0.000000"/>
+          </focallength>
+          <focallength value="20.500000">
+            <distortion a="0.002486"  b="-0.001685" c="0.000000"/>
+          </focallength>
+          <focallength value="25.500000">
+            <distortion a="0.016746"  b="-0.028622" c="0.000000"/>
+          </focallength>
+          <focallength value="29.299999">
+            <distortion a="-0.008873"  b="0.019679" c="0.000000"/>
+          </focallength>
+          <focallength value="33.400002">
+            <distortion a="-0.000440"  b="0.003954" c="0.000000"/>
+          </focallength>
+          <focallength value="40.700001">
+            <distortion a="0.010042"  b="-0.013474" c="0.000000"/>
+          </focallength>
+          <focallength value="51.000000">
+            <distortion a="-0.005786"  b="0.018882" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="225"
+      name="Standard: 2 feet lens-to-subject"
+      mount="sony828"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.100000">
+            <distortion a="0.031747"  b="-0.075086" c="0.000000"/>
+          </focallength>
+          <focallength value="8.000000">
+            <distortion a="0.015399"  b="-0.038090" c="0.000000"/>
+          </focallength>
+          <focallength value="8.700000">
+            <distortion a="0.014101"  b="-0.032049" c="0.000000"/>
+          </focallength>
+          <focallength value="10.400000">
+            <distortion a="0.004335"  b="-0.010924" c="0.000000"/>
+          </focallength>
+          <focallength value="12.200000">
+            <distortion a="0.001721"  b="-0.004613" c="0.000000"/>
+          </focallength>
+          <focallength value="14.900000">
+            <distortion a="-0.000396"  b="-0.000724" c="0.000000"/>
+          </focallength>
+          <focallength value="17.100000">
+            <distortion a="-0.006932"  b="0.009088" c="0.000000"/>
+          </focallength>
+          <focallength value="20.500000">
+            <distortion a="-0.000158"  b="-0.001579" c="0.000000"/>
+          </focallength>
+          <focallength value="24.200001">
+            <distortion a="-0.000815"  b="-0.001170" c="0.000000"/>
+          </focallength>
+          <focallength value="28.700001">
+            <distortion a="-0.002467"  b="0.002500" c="0.000000"/>
+          </focallength>
+          <focallength value="32.799999">
+            <distortion a="-0.000607"  b="-0.001426" c="0.000000"/>
+          </focallength>
+          <focallength value="40.099998">
+            <distortion a="-0.002333"  b="0.002419" c="0.000000"/>
+          </focallength>
+          <focallength value="51.000000">
+            <distortion a="-0.003365"  b="0.002377" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="226"
+      name="Standard"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.013439"  b="-0.038147" c="0.000000"/>
+          </focallength>
+          <focallength value="11.700000">
+            <distortion a="0.009840"  b="-0.021150" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="0.009803"  b="-0.017330" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.007957"  b="-0.008839" c="0.000000"/>
+          </focallength>
+          <focallength value="19.500000">
+            <distortion a="0.004565"  b="-0.000807" c="0.000000"/>
+          </focallength>
+          <focallength value="24.400000">
+            <distortion a="0.000000"  b="0.009030" c="0.000000"/>
+          </focallength>
+          <focallength value="28.100000">
+            <distortion a="0.000000"  b="0.009803" c="0.000000"/>
+          </focallength>
+          <focallength value="31.900000">
+            <distortion a="0.000000"  b="0.009723" c="0.000000"/>
+          </focallength>
+          <focallength value="36.099998">
+            <distortion a="0.000000"  b="0.009740" c="0.000000"/>
+          </focallength>
+          <focallength value="41.400002">
+            <distortion a="0.000000"  b="0.010245" c="0.000000"/>
+          </focallength>
+          <focallength value="48.500000">
+            <distortion a="0.000000"  b="0.012038" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="227"
+      name="std macro: 1 inch lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.006106"  b="-0.039021" c="0.000000"/>
+          </focallength>
+          <focallength value="10.900000">
+            <distortion a="0.001231"  b="-0.028795" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.001246"  b="-0.027783" c="0.000000"/>
+          </focallength>
+          <focallength value="11.900000">
+            <distortion a="-0.003364"  b="-0.017023" c="0.000000"/>
+          </focallength>
+          <focallength value="12.700000">
+            <distortion a="-0.006700"  b="-0.007913" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="228"
+      name="std macro: 2 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.006526"  b="-0.034870" c="0.000000"/>
+          </focallength>
+          <focallength value="10.900000">
+            <distortion a="-0.002841"  b="-0.015131" c="0.000000"/>
+          </focallength>
+          <focallength value="12.200000">
+            <distortion a="0.005220"  b="-0.028071" c="0.000000"/>
+          </focallength>
+          <focallength value="13.400000">
+            <distortion a="0.002070"  b="-0.019368" c="0.000000"/>
+          </focallength>
+          <focallength value="14.600000">
+            <distortion a="0.000187"  b="-0.014489" c="0.000000"/>
+          </focallength>
+          <focallength value="15.500000">
+            <distortion a="-0.001112"  b="-0.010610" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="229"
+      name="std macro: 4 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.011414"  b="-0.041732" c="0.000000"/>
+          </focallength>
+          <focallength value="10.200000">
+            <distortion a="0.011525"  b="-0.041182" c="0.000000"/>
+          </focallength>
+          <focallength value="11.400000">
+            <distortion a="0.005654"  b="-0.024820" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.007988"  b="-0.028628" c="0.000000"/>
+          </focallength>
+          <focallength value="12.400000">
+            <distortion a="0.007251"  b="-0.026438" c="0.000000"/>
+          </focallength>
+          <focallength value="13.700000">
+            <distortion a="0.005559"  b="-0.021097" c="0.000000"/>
+          </focallength>
+          <focallength value="16.200001">
+            <distortion a="0.000227"  b="-0.007708" c="0.000000"/>
+          </focallength>
+          <focallength value="18.299999">
+            <distortion a="0.005302"  b="-0.015272" c="0.000000"/>
+          </focallength>
+          <focallength value="19.799999">
+            <distortion a="0.000277"  b="-0.004201" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="230"
+      name="std macro: 6 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.010005"  b="-0.036568" c="0.000000"/>
+          </focallength>
+          <focallength value="11.600000">
+            <distortion a="0.007818"  b="-0.025626" c="0.000000"/>
+          </focallength>
+          <focallength value="13.400000">
+            <distortion a="0.008336"  b="-0.023635" c="0.000000"/>
+          </focallength>
+          <focallength value="16.200001">
+            <distortion a="0.003258"  b="-0.010335" c="0.000000"/>
+          </focallength>
+          <focallength value="18.500000">
+            <distortion a="0.002886"  b="-0.007316" c="0.000000"/>
+          </focallength>
+          <focallength value="21.700001">
+            <distortion a="-0.000938"  b="0.000754" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="231"
+      name="std macro: 8 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.008828"  b="-0.033454" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.009809"  b="-0.034654" c="0.000000"/>
+          </focallength>
+          <focallength value="12.300000">
+            <distortion a="0.007920"  b="-0.023487" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.008493"  b="-0.022144" c="0.000000"/>
+          </focallength>
+          <focallength value="15.700000">
+            <distortion a="0.007818"  b="-0.018959" c="0.000000"/>
+          </focallength>
+          <focallength value="17.600000">
+            <distortion a="0.007518"  b="-0.016860" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.007483"  b="-0.014590" c="0.000000"/>
+          </focallength>
+          <focallength value="21.700001">
+            <distortion a="0.004990"  b="-0.009241" c="0.000000"/>
+          </focallength>
+          <focallength value="23.500000">
+            <distortion a="0.008569"  b="-0.014490" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="232"
+      name="std macro: 12 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.005441"  b="-0.026284" c="0.000000"/>
+          </focallength>
+          <focallength value="11.800000">
+            <distortion a="0.002698"  b="-0.013035" c="0.000000"/>
+          </focallength>
+          <focallength value="13.700000">
+            <distortion a="0.002173"  b="-0.007676" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.001309"  b="-0.003671" c="0.000000"/>
+          </focallength>
+          <focallength value="20.299999">
+            <distortion a="-0.000410"  b="0.001674" c="0.000000"/>
+          </focallength>
+          <focallength value="23.200001">
+            <distortion a="-0.000971"  b="0.004488" c="0.000000"/>
+          </focallength>
+          <focallength value="26.200001">
+            <distortion a="0.001346"  b="0.001204" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="233"
+      name="std macro: 16 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.003516"  b="-0.019643" c="0.000000"/>
+          </focallength>
+          <focallength value="10.000000">
+            <distortion a="0.006212"  b="-0.024486" c="0.000000"/>
+          </focallength>
+          <focallength value="11.800000">
+            <distortion a="0.005146"  b="-0.014241" c="0.000000"/>
+          </focallength>
+          <focallength value="14.400000">
+            <distortion a="-0.001178"  b="0.002261" c="0.000000"/>
+          </focallength>
+          <focallength value="17.200001">
+            <distortion a="-0.004022"  b="0.010283" c="0.000000"/>
+          </focallength>
+          <focallength value="19.799999">
+            <distortion a="-0.006228"  b="0.015500" c="0.000000"/>
+          </focallength>
+          <focallength value="22.200001">
+            <distortion a="-0.006146"  b="0.016116" c="0.000000"/>
+          </focallength>
+          <focallength value="25.100000">
+            <distortion a="-0.005856"  b="0.016421" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="234"
+      name="std macro: 20 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.007797"  b="-0.028559" c="0.000000"/>
+          </focallength>
+          <focallength value="11.300000">
+            <distortion a="0.005268"  b="-0.015619" c="0.000000"/>
+          </focallength>
+          <focallength value="13.200000">
+            <distortion a="0.005290"  b="-0.010754" c="0.000000"/>
+          </focallength>
+          <focallength value="15.700000">
+            <distortion a="0.000909"  b="0.000249" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="-0.001878"  b="0.007994" c="0.000000"/>
+          </focallength>
+          <focallength value="23.799999">
+            <distortion a="-0.005316"  b="0.015693" c="0.000000"/>
+          </focallength>
+          <focallength value="27.299999">
+            <distortion a="-0.002718"  b="0.011242" c="0.000000"/>
+          </focallength>
+          <focallength value="31.000000">
+            <distortion a="-0.005955"  b="0.017757" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="235"
+      name="std macro: 24 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.010658"  b="-0.033833" c="0.000000"/>
+          </focallength>
+          <focallength value="11.700000">
+            <distortion a="0.005202"  b="-0.013888" c="0.000000"/>
+          </focallength>
+          <focallength value="13.800000">
+            <distortion a="-0.000048"  b="0.000712" c="0.000000"/>
+          </focallength>
+          <focallength value="16.799999">
+            <distortion a="0.000439"  b="0.002163" c="0.000000"/>
+          </focallength>
+          <focallength value="20.799999">
+            <distortion a="-0.003775"  b="0.012109" c="0.000000"/>
+          </focallength>
+          <focallength value="26.900000">
+            <distortion a="-0.004368"  b="0.014947" c="0.000000"/>
+          </focallength>
+          <focallength value="30.100000">
+            <distortion a="-0.007381"  b="0.021336" c="0.000000"/>
+          </focallength>
+          <focallength value="32.299999">
+            <distortion a="0.001832"  b="0.004546" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="236"
+      name="std macro: 32 inches lens-to-subject"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.011238"  b="-0.032760" c="0.000000"/>
+          </focallength>
+          <focallength value="11.700000">
+            <distortion a="0.010299"  b="-0.022773" c="0.000000"/>
+          </focallength>
+          <focallength value="12.900000">
+            <distortion a="0.006434"  b="-0.011551" c="0.000000"/>
+          </focallength>
+          <focallength value="16.000000">
+            <distortion a="0.002570"  b="-0.000701" c="0.000000"/>
+          </focallength>
+          <focallength value="20.799999">
+            <distortion a="-0.000547"  b="0.007442" c="0.000000"/>
+          </focallength>
+          <focallength value="25.799999">
+            <distortion a="-0.002161"  b="0.011043" c="0.000000"/>
+          </focallength>
+          <focallength value="32.799999">
+            <distortion a="-0.003287"  b="0.014812" c="0.000000"/>
+          </focallength>
+          <focallength value="41.900002">
+            <distortion a="-0.004935"  b="0.018777" c="0.000000"/>
+          </focallength>
+          <focallength value="48.500000">
+            <distortion a="0.004262"  b="0.000662" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="237"
+      name="VCL-HGD0758 Wide Angle"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="0.016774"  b="-0.047703" c="0.000000"/>
+          </focallength>
+          <focallength value="11.000000">
+            <distortion a="0.009581"  b="-0.029650" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="0.008705"  b="-0.025049" c="0.000000"/>
+          </focallength>
+          <focallength value="13.400000">
+            <distortion a="0.004145"  b="-0.011484" c="0.000000"/>
+          </focallength>
+          <focallength value="15.500000">
+            <distortion a="0.003700"  b="-0.008603" c="0.000000"/>
+          </focallength>
+          <focallength value="17.600000">
+            <distortion a="0.003904"  b="-0.007234" c="0.000000"/>
+          </focallength>
+          <focallength value="20.799999">
+            <distortion a="-0.002051"  b="0.005661" c="0.000000"/>
+          </focallength>
+          <focallength value="24.100000">
+            <distortion a="-0.001926"  b="0.007451" c="0.000000"/>
+          </focallength>
+          <focallength value="28.500000">
+            <distortion a="0.004636"  b="-0.003879" c="0.000000"/>
+          </focallength>
+          <focallength value="33.299999">
+            <distortion a="0.002188"  b="0.002064" c="0.000000"/>
+          </focallength>
+          <focallength value="38.700001">
+            <distortion a="0.004276"  b="-0.001513" c="0.000000"/>
+          </focallength>
+          <focallength value="48.500000">
+            <distortion a="0.001900"  b="0.005193" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="238"
+      name="Sakar 1858W"
+      mount="sony707"
+      calib_cropfactor="3.933000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.500000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="9.700000">
+            <distortion a="-0.002331"  b="0.001991" c="-0.087683"/>
+          </focallength>
+          <focallength value="11.200000">
+            <distortion a="0.007839"  b="-0.040020" c="0.000000"/>
+          </focallength>
+          <focallength value="15.500000">
+            <distortion a="0.003505"  b="-0.014600" c="0.000000"/>
+          </focallength>
+          <focallength value="20.799999">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="30.100000">
+            <distortion a="0.000000"  b="0.003841" c="0.000000"/>
+          </focallength>
+          <focallength value="48.500000">
+            <distortion a="0.000000"  b="0.008175" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="239"
+      name="Standard"
+      mount="sonyW1"
+      calib_cropfactor="4.800000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.900000">
+            <distortion a="-0.008279"  b="0.002007" c="0.000000"/>
+          </focallength>
+          <focallength value="9.200000">
+            <distortion a="-0.007809"  b="0.005000" c="0.000000"/>
+          </focallength>
+          <focallength value="10.700000">
+            <distortion a="-0.007003"  b="0.007151" c="0.000000"/>
+          </focallength>
+          <focallength value="12.100000">
+            <distortion a="-0.009672"  b="0.014800" c="0.000000"/>
+          </focallength>
+          <focallength value="13.700000">
+            <distortion a="-0.007984"  b="0.013000" c="0.000000"/>
+          </focallength>
+          <focallength value="16.700001">
+            <distortion a="-0.006571"  b="0.011638" c="0.000000"/>
+          </focallength>
+          <focallength value="18.700001">
+            <distortion a="-0.007423"  b="0.014476" c="0.000000"/>
+          </focallength>
+          <focallength value="23.700001">
+            <distortion a="-0.003420"  b="0.006814" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="240"
+      name="Standard"
+      mount="sonyV1"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.020149"  b="-0.051282" c="0.000000"/>
+          </focallength>
+          <focallength value="8.400000">
+            <distortion a="0.009589"  b="-0.029890" c="0.000000"/>
+          </focallength>
+          <focallength value="9.900000">
+            <distortion a="0.005758"  b="-0.016380" c="0.000000"/>
+          </focallength>
+          <focallength value="11.800000">
+            <distortion a="0.004149"  b="-0.008145" c="0.000000"/>
+          </focallength>
+          <focallength value="13.900000">
+            <distortion a="0.003385"  b="-0.003763" c="0.000000"/>
+          </focallength>
+          <focallength value="16.500000">
+            <distortion a="0.000000"  b="0.004756" c="0.000000"/>
+          </focallength>
+          <focallength value="19.700001">
+            <distortion a="0.000000"  b="0.005925" c="0.000000"/>
+          </focallength>
+          <focallength value="23.400000">
+            <distortion a="0.000000"  b="0.006385" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.004460" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="241"
+      name="VCL-DEH07V Converter"
+      mount="sonyV1"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.045731"  b="-0.098626" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="242"
+      name="VCL-DEH17V Converter"
+      mount="sonyV1"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="1.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.009101" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="243"
+      name="Standard"
+      mount="sonyT1"
+      calib_cropfactor="5.650000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.700000">
+            <distortion a="0.000000"  b="-0.014873" c="0.000000"/>
+          </focallength>
+          <focallength value="7.700000">
+            <distortion a="0.000000"  b="-0.006302" c="0.000000"/>
+          </focallength>
+          <focallength value="9.100000">
+            <distortion a="0.000000"  b="0.008439" c="-0.020907"/>
+          </focallength>
+          <focallength value="10.800000">
+            <distortion a="0.000000"  b="0.017351" c="-0.032506"/>
+          </focallength>
+          <focallength value="13.000000">
+            <distortion a="0.000000"  b="0.017565" c="-0.023987"/>
+          </focallength>
+          <focallength value="15.400000">
+            <distortion a="0.000000"  b="0.015416" c="-0.016469"/>
+          </focallength>
+          <focallength value="17.799999">
+            <distortion a="0.000000"  b="0.019638" c="-0.022392"/>
+          </focallength>
+          <focallength value="20.100000">
+            <distortion a="0.000000"  b="0.020712" c="-0.027228"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="244"
+      name="Standard"
+      mount="sonyS85"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.014946"  b="-0.037660" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="245"
+      name="VCL-MHG07a"
+      mount="sonyS85"
+      calib_cropfactor="4.843000"
+      type="rectilinear"
+      status="reviewed"
+      converter_detected="0"
+      converter_multiplier="0.700000"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="7.000000">
+            <distortion a="0.039510"  b="-0.094976" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="246"
+      name="Standard"
+      mount="sonyS60"
+      calib_cropfactor="6.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="6.000000">
+            <distortion a="0.003091"  b="-0.022634" c="0.000000"/>
+          </focallength>
+          <focallength value="6.800000">
+            <distortion a="0.000000"  b="-0.011585" c="0.000000"/>
+          </focallength>
+          <focallength value="7.800000">
+            <distortion a="0.000000"  b="-0.008459" c="0.000000"/>
+          </focallength>
+          <focallength value="8.900000">
+            <distortion a="0.000000"  b="-0.006522" c="0.000000"/>
+          </focallength>
+          <focallength value="10.300000">
+            <distortion a="0.000000"  b="-0.004379" c="0.000000"/>
+          </focallength>
+          <focallength value="11.600000">
+            <distortion a="0.000000"  b="-0.005021" c="0.000000"/>
+          </focallength>
+          <focallength value="13.600000">
+            <distortion a="0.000000"  b="-0.005600" c="0.000000"/>
+          </focallength>
+          <focallength value="15.600000">
+            <distortion a="0.000000"  b="-0.004708" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.000000"  b="-0.004799" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="247"
+      name="Schneider 28mm Digitar f/2.8"
+      mount="generic645"
+      calib_cropfactor="0.577000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.027509"  b="-0.054383" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="248"
+      name="Mamiya 35mm f/3.5"
+      mount="mamiya645"
+      calib_cropfactor="0.577000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="35.000000">
+            <distortion a="0.025471"  b="-0.051060" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="249"
+      name="Mamiya 80mm f/2.8"
+      mount="mamiya645"
+      calib_cropfactor="0.577000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="80.000000">
+            <distortion a="-0.008173"  b="0.015478" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="250"
+      name="Mamiya 55-110mm f/4.5"
+      mount="mamiya645"
+      calib_cropfactor="0.577000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="55.000000">
+            <distortion a="-0.001633"  b="-0.002243" c="0.000000"/>
+          </focallength>
+          <focallength value="65.000000">
+            <distortion a="-0.004770"  b="0.008348" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="0.002136" c="0.000000"/>
+          </focallength>
+          <focallength value="83.000000">
+            <distortion a="-0.009877"  b="0.021454" c="0.000000"/>
+          </focallength>
+          <focallength value="90.000000">
+            <distortion a="-0.007302"  b="0.019618" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="-0.010183"  b="0.025981" c="0.000000"/>
+          </focallength>
+          <focallength value="110.000000">
+            <distortion a="-0.012796"  b="0.029683" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="251"
+      name="Schneider 80mm Xenotar f/2.8"
+      mount="rollei6x6"
+      calib_cropfactor="0.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="80.000000">
+            <distortion a="0.000000"  b="-0.009721" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="252"
+      name="Schneider 28mm f/2.8 PC"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.009514"  b="-0.027901" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="253"
+      name="Sigma 10-20mm f/4-5.6 EX DC"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="10.000000">
+            <distortion a="-0.017985"  b="0.026145" c="0.000000"/>
+          </focallength>
+          <focallength value="12.000000">
+            <distortion a="-0.008171"  b="0.018035" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="0.000000"  b="0.005868" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="0.006362" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.000000"  b="0.005077" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="254"
+      name="Sigma 12-24mm f/4.5-5.6 EX DG"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="12.000000">
+            <distortion a="0.004893"  b="-0.019407" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="0.005113"  b="-0.014337" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.005379"  b="-0.013087" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.006028"  b="-0.012828" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.003750"  b="-0.007426" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.002951"  b="-0.004156" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="255"
+      name="Sigma 15-30mm f/3.5-4.5 EX DG"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="15.000000">
+            <distortion a="0.009928"  b="-0.033322" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="0.006714"  b="-0.023166" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.008780"  b="-0.025329" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.010135"  b="-0.026175" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.007144"  b="-0.018882" c="0.000000"/>
+          </focallength>
+          <focallength value="25.000000">
+            <distortion a="0.009469"  b="-0.020750" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.008222"  b="-0.017584" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.006456"  b="-0.012099" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.004942"  b="-0.008935" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="256"
+      name="Sigma 17-35mm f/2.8-4 EX DG"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.007263"  b="-0.024540" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.006421"  b="-0.021536" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.008849"  b="-0.023843" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.004158" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.002715" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="257"
+      name="Sigma 17-70mm f/2.8-4.5 DC Macro"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.019088"  b="-0.048894" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.010938"  b="-0.030356" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.010630"  b="-0.026746" c="0.000000"/>
+          </focallength>
+          <focallength value="25.000000">
+            <distortion a="0.001877"  b="-0.005367" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="-0.001844"  b="0.003931" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="-0.002705"  b="0.008106" c="0.000000"/>
+          </focallength>
+          <focallength value="53.000000">
+            <distortion a="0.000000"  b="0.003542" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.003858" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="258"
+      name="Sigma 18-50mm f/2.8 EX DC"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.012979"  b="-0.036394" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.007147"  b="-0.017687" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.000000"  b="0.001032" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.002512" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="259"
+      name="Sigma 18-50mm f/2.8 EX DC"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.011366"  b="-0.034328" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.006142"  b="-0.017401" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.004800"  b="-0.013589" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="0.002094" c="0.000000"/>
+          </focallength>
+          <focallength value="43.000000">
+            <distortion a="0.000000"  b="0.002878" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.003021" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="260"
+      name="Sigma 18-50mm f/3.5-5.6 DC"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.018244"  b="-0.048901" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.013163"  b="-0.038177" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.008797"  b="-0.028701" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.004579"  b="-0.017014" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.002405"  b="-0.011562" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.002363"  b="-0.008520" c="0.000000"/>
+          </focallength>
+          <focallength value="39.000000">
+            <distortion a="0.000000"  b="-0.002352" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="0.000000"  b="-0.002108" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.001470" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="261"
+      name="Sigma 18-125mm f/3.3-5.6 (3.5-5.6) DC"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.022110"  b="-0.050462" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.016565"  b="-0.027307" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.011429"  b="-0.013359" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000000"  b="0.012386" c="0.000000"/>
+          </focallength>
+          <focallength value="51.000000">
+            <distortion a="0.000000"  b="0.013262" c="0.000000"/>
+          </focallength>
+          <focallength value="67.000000">
+            <distortion a="0.000000"  b="0.011758" c="0.000000"/>
+          </focallength>
+          <focallength value="87.000000">
+            <distortion a="0.000000"  b="0.011008" c="0.000000"/>
+          </focallength>
+          <focallength value="109.000000">
+            <distortion a="0.000000"  b="0.011450" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="0.000000"  b="0.009078" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="262"
+      name="Sigma 18-125mm f/3.3-5.6 (3.5-5.6) DC"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.028249"  b="-0.061326" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.008998"  b="-0.008014" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.004437"  b="0.005654" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.011257" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.011071" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="0.000000"  b="0.010822" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="263"
+      name="Sigma 18-125mm f/3.3-5.6 (3.5-5.6) DC"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.028249"  b="-0.061326" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.008998"  b="-0.008014" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.004437"  b="0.005654" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.011257" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.011071" c="0.000000"/>
+          </focallength>
+          <focallength value="130.000000">
+            <distortion a="0.000000"  b="0.010822" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="264"
+      name="Sigma 18-200mm f/3.5-6.3 DC"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.027521"  b="-0.063244" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.016154"  b="-0.029806" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.014824"  b="-0.025689" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.011421"  b="-0.011743" c="0.000000"/>
+          </focallength>
+          <focallength value="46.000000">
+            <distortion a="0.000000"  b="0.014338" c="0.000000"/>
+          </focallength>
+          <focallength value="78.000000">
+            <distortion a="0.000000"  b="0.009621" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.012591" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.011133" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="265"
+      name="Sigma 18-200mm f/3.5-6.3 DC"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.018238"  b="-0.045992" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.013683"  b="-0.026594" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.007113"  b="-0.008911" c="0.000000"/>
+          </focallength>
+          <focallength value="33.000000">
+            <distortion a="0.000000"  b="0.010791" c="0.000000"/>
+          </focallength>
+          <focallength value="59.000000">
+            <distortion a="0.000000"  b="0.012006" c="0.000000"/>
+          </focallength>
+          <focallength value="88.000000">
+            <distortion a="0.000000"  b="0.010958" c="0.000000"/>
+          </focallength>
+          <focallength value="144.000000">
+            <distortion a="0.000000"  b="0.008752" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.007390" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="266"
+      name="Sigma 24-70mm f/2.8 EX DG Macro"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.006096" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="-0.001546" c="0.000000"/>
+          </focallength>
+          <focallength value="36.000000">
+            <distortion a="0.000000"  b="0.001392" c="0.000000"/>
+          </focallength>
+          <focallength value="42.000000">
+            <distortion a="0.000000"  b="0.002318" c="0.000000"/>
+          </focallength>
+          <focallength value="52.000000">
+            <distortion a="0.000000"  b="0.003994" c="0.000000"/>
+          </focallength>
+          <focallength value="64.000000">
+            <distortion a="0.000000"  b="0.004329" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.006728" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="267"
+      name="Sigma 28-70mm f/2.8 EX DG"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.015080"  b="-0.036446" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.013280"  b="-0.029560" c="0.000000"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.001964"  b="-0.003604" c="0.000000"/>
+          </focallength>
+          <focallength value="40.000000">
+            <distortion a="0.006628"  b="-0.009598" c="0.000000"/>
+          </focallength>
+          <focallength value="45.000000">
+            <distortion a="0.004477"  b="-0.003544" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.006595" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.007800" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.008656" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="268"
+      name="Sigma 28-300mm f/3.5-6.3 Macro ASP IF"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.009837" c="-0.008234"/>
+          </focallength>
+          <focallength value="34.000000">
+            <distortion a="0.000000"  b="-0.004678" c="0.000517"/>
+          </focallength>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="0.005687" c="-0.005159"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="0.008223" c="-0.004279"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.005137" c="0.001460"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.006750" c="-0.000965"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.007188" c="-0.003544"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.004710" c="0.000085"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="269"
+      name="Sigma 50-300mm f/4-6.3 EX DG/HSM"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="-0.000590" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.004149" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.005115" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.005001" c="0.000000"/>
+          </focallength>
+          <focallength value="195.000000">
+            <distortion a="0.000000"  b="0.004957" c="0.000000"/>
+          </focallength>
+          <focallength value="270.000000">
+            <distortion a="0.000000"  b="0.004639" c="0.000000"/>
+          </focallength>
+          <focallength value="320.000000">
+            <distortion a="0.000000"  b="0.005982" c="0.000000"/>
+          </focallength>
+          <focallength value="420.000000">
+            <distortion a="0.000000"  b="0.005397" c="0.000000"/>
+          </focallength>
+          <focallength value="500.000000">
+            <distortion a="0.000000"  b="0.004857" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="270"
+      name="Sigma 55-200mm f/4-5.6 DC"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="55.000000">
+            <distortion a="0.000000"  b="-0.004366" c="0.000000"/>
+          </focallength>
+          <focallength value="59.000000">
+            <distortion a="0.000000"  b="-0.002076" c="0.000000"/>
+          </focallength>
+          <focallength value="67.000000">
+            <distortion a="0.000000"  b="0.000422" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.002204" c="0.000000"/>
+          </focallength>
+          <focallength value="78.000000">
+            <distortion a="0.000000"  b="0.004926" c="0.000000"/>
+          </focallength>
+          <focallength value="94.000000">
+            <distortion a="0.000000"  b="0.006300" c="0.000000"/>
+          </focallength>
+          <focallength value="112.000000">
+            <distortion a="0.000000"  b="0.007639" c="0.000000"/>
+          </focallength>
+          <focallength value="147.000000">
+            <distortion a="0.000000"  b="0.007139" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.008176" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="271"
+      name="Sigma 70-300mm f/4-5.6 APO Macro Super II"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="70.000000">
+            <distortion a="0.002522"  b="-0.005913" c="0.000000"/>
+          </focallength>
+          <focallength value="81.000000">
+            <distortion a="-0.000431"  b="0.003404" c="0.000000"/>
+          </focallength>
+          <focallength value="92.000000">
+            <distortion a="-0.001379"  b="0.006159" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="-0.001226"  b="0.006912" c="0.000000"/>
+          </focallength>
+          <focallength value="119.000000">
+            <distortion a="0.001445"  b="0.002936" c="0.000000"/>
+          </focallength>
+          <focallength value="133.000000">
+            <distortion a="0.000359"  b="0.005212" c="0.000000"/>
+          </focallength>
+          <focallength value="149.000000">
+            <distortion a="0.000193"  b="0.005672" c="0.000000"/>
+          </focallength>
+          <focallength value="168.000000">
+            <distortion a="0.000533"  b="0.005172" c="0.000000"/>
+          </focallength>
+          <focallength value="190.000000">
+            <distortion a="0.000317"  b="0.005522" c="0.000000"/>
+          </focallength>
+          <focallength value="214.000000">
+            <distortion a="-0.000049"  b="0.005661" c="0.000000"/>
+          </focallength>
+          <focallength value="238.000000">
+            <distortion a="-0.000247"  b="0.005706" c="0.000000"/>
+          </focallength>
+          <focallength value="263.000000">
+            <distortion a="0.000491"  b="0.003667" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.001061"  b="0.001597" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="272"
+      name="Sigma 14mm f/2.8 EX"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.000000">
+            <distortion a="0.031106"  b="-0.059086" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="273"
+      name="Sigma 14mm f/3.5 EX"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="14.000000">
+            <distortion a="0.013209"  b="-0.036529" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="274"
+      name="Sigma 20mm f/1.8 EX DG"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="20.000000">
+            <distortion a="0.034347"  b="-0.066549" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="275"
+      name="Sigma 28mm f/1.8 EX DG"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.002854"  b="-0.010067" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="276"
+      name="Sigma 30mm f/1.4 EX DC HSM"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="30.000000">
+            <distortion a="0.003926"  b="-0.013819" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="277"
+      name="Tamron 17-35mm f/2.8-4 Di LD"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.023029"  b="-0.056393" c="0.000000"/>
+          </focallength>
+          <focallength value="18.000000">
+            <distortion a="0.021257"  b="-0.051504" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="0.018234"  b="-0.043262" c="0.000000"/>
+          </focallength>
+          <focallength value="20.000000">
+            <distortion a="0.017656"  b="-0.040559" c="0.000000"/>
+          </focallength>
+          <focallength value="21.000000">
+            <distortion a="0.015106"  b="-0.033986" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.014043"  b="-0.030629" c="0.000000"/>
+          </focallength>
+          <focallength value="23.000000">
+            <distortion a="0.014764"  b="-0.030599" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.012702"  b="-0.025685" c="0.000000"/>
+          </focallength>
+          <focallength value="26.000000">
+            <distortion a="0.010132"  b="-0.019341" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.003497"  b="-0.003995" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.002043"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="32.000000">
+            <distortion a="0.002246"  b="0.000000" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.002673"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="278"
+      name="Tamron 18-200mm f/3.5-6.3 XR Di II LD"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.013640"  b="-0.042157" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.010678"  b="-0.016742" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.009558"  b="-0.008863" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.011197" c="0.000000"/>
+          </focallength>
+          <focallength value="72.000000">
+            <distortion a="0.000000"  b="0.010552" c="0.000000"/>
+          </focallength>
+          <focallength value="102.000000">
+            <distortion a="0.000000"  b="0.007166" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.007026" c="0.000000"/>
+          </focallength>
+          <focallength value="150.000000">
+            <distortion a="0.000000"  b="0.006778" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.006016" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="279"
+      name="Tamron 18-200mm f/3.5-6.3 XR Di II LD"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="18.000000">
+            <distortion a="0.017570"  b="-0.052885" c="0.000000"/>
+          </focallength>
+          <focallength value="25.000000">
+            <distortion a="0.007578"  b="-0.014077" c="0.000000"/>
+          </focallength>
+          <focallength value="31.000000">
+            <distortion a="0.004963"  b="-0.001934" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000000"  b="0.010127" c="0.000000"/>
+          </focallength>
+          <focallength value="54.000000">
+            <distortion a="0.000000"  b="0.010971" c="0.000000"/>
+          </focallength>
+          <focallength value="73.000000">
+            <distortion a="0.000000"  b="0.010296" c="0.000000"/>
+          </focallength>
+          <focallength value="102.000000">
+            <distortion a="0.000000"  b="0.008059" c="0.000000"/>
+          </focallength>
+          <focallength value="125.000000">
+            <distortion a="0.000000"  b="0.007314" c="0.000000"/>
+          </focallength>
+          <focallength value="149.000000">
+            <distortion a="0.000000"  b="0.007285" c="0.000000"/>
+          </focallength>
+          <focallength value="200.000000">
+            <distortion a="0.000000"  b="0.005942" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="280"
+      name="Tamron 19-35mm f/3.5-4.5"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="19.000000">
+            <distortion a="0.013926"  b="-0.041094" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.005657"  b="-0.020982" c="0.000000"/>
+          </focallength>
+          <focallength value="27.000000">
+            <distortion a="0.003315"  b="-0.014095" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.004475"  b="-0.013489" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="281"
+      name="Tamron 24-135mm f/3.5-5.6 SP AD"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="24.000000">
+            <distortion a="0.004951"  b="-0.019509" c="0.000000"/>
+          </focallength>
+          <focallength value="28.000000">
+            <distortion a="0.002141"  b="-0.010335" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.001649"  b="-0.003387" c="0.000000"/>
+          </focallength>
+          <focallength value="41.000000">
+            <distortion a="0.000000"  b="0.002775" c="0.000000"/>
+          </focallength>
+          <focallength value="52.000000">
+            <distortion a="0.000000"  b="0.004430" c="0.000000"/>
+          </focallength>
+          <focallength value="62.000000">
+            <distortion a="0.000000"  b="0.004818" c="0.000000"/>
+          </focallength>
+          <focallength value="74.000000">
+            <distortion a="0.000000"  b="0.004729" c="0.000000"/>
+          </focallength>
+          <focallength value="85.000000">
+            <distortion a="0.000000"  b="0.004860" c="0.000000"/>
+          </focallength>
+          <focallength value="99.000000">
+            <distortion a="0.000000"  b="0.005128" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.004635" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="282"
+      name="Tamron 28-75mm f/2.8 XR Di"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.014690"  b="-0.034774" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.012441"  b="-0.026997" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.009958"  b="-0.018577" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.005421" c="0.000000"/>
+          </focallength>
+          <focallength value="60.000000">
+            <distortion a="0.000000"  b="0.007520" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="0.007321" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="283"
+      name="Tamron 28-105mm f/2.8 SP LD IF"
+      mount="genericSLR"
+      calib_cropfactor="1.000000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.020983"  b="-0.054749" c="0.000000"/>
+          </focallength>
+          <focallength value="32.000000">
+            <distortion a="0.018015"  b="-0.042871" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.010940"  b="-0.023520" c="0.000000"/>
+          </focallength>
+          <focallength value="39.000000">
+            <distortion a="0.010993"  b="-0.016341" c="0.000000"/>
+          </focallength>
+          <focallength value="44.000000">
+            <distortion a="0.007493"  b="-0.007606" c="0.000000"/>
+          </focallength>
+          <focallength value="63.000000">
+            <distortion a="0.002757"  b="0.006995" c="0.000000"/>
+          </focallength>
+          <focallength value="75.000000">
+            <distortion a="0.000000"  b="0.012653" c="0.000000"/>
+          </focallength>
+          <focallength value="93.000000">
+            <distortion a="0.000000"  b="0.011546" c="0.000000"/>
+          </focallength>
+          <focallength value="105.000000">
+            <distortion a="0.000000"  b="0.012148" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="284"
+      name="Tamron 28-300mm f/3.5-6.3 XR Di LD"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="30.000000">
+            <distortion a="-0.001710"  b="-0.003088" c="0.000000"/>
+          </focallength>
+          <focallength value="38.000000">
+            <distortion a="0.000000"  b="-0.000956" c="0.000000"/>
+          </focallength>
+          <focallength value="50.000000">
+            <distortion a="0.000000"  b="0.003328" c="0.000000"/>
+          </focallength>
+          <focallength value="78.000000">
+            <distortion a="0.000000"  b="0.005468" c="0.000000"/>
+          </focallength>
+          <focallength value="100.000000">
+            <distortion a="0.000000"  b="0.004829" c="0.000000"/>
+          </focallength>
+          <focallength value="135.000000">
+            <distortion a="0.000000"  b="0.005605" c="0.000000"/>
+          </focallength>
+          <focallength value="220.000000">
+            <distortion a="0.000000"  b="0.006124" c="0.000000"/>
+          </focallength>
+          <focallength value="300.000000">
+            <distortion a="0.000000"  b="0.006507" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="285"
+      name="Tokina 12-24mm f/4 AT-X 124 AF PRO DX"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="12.000000">
+            <distortion a="-0.005227"  b="0.001800" c="0.000000"/>
+          </focallength>
+          <focallength value="14.000000">
+            <distortion a="-0.003321"  b="0.000430" c="0.000000"/>
+          </focallength>
+          <focallength value="15.000000">
+            <distortion a="-0.002362"  b="0.001120" c="0.000000"/>
+          </focallength>
+          <focallength value="17.000000">
+            <distortion a="-0.001493"  b="0.000502" c="0.000000"/>
+          </focallength>
+          <focallength value="19.000000">
+            <distortion a="-0.000691"  b="0.000121" c="0.000000"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="-0.000208"  b="-0.000207" c="0.000000"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="0.000000" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="286"
+      name="Tokina 19-35mm f/3.5-4.5 AF 193"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="19.000000">
+            <distortion a="0.000000"  b="-0.005476" c="-0.022162"/>
+          </focallength>
+          <focallength value="22.000000">
+            <distortion a="0.000000"  b="-0.003238" c="-0.017549"/>
+          </focallength>
+          <focallength value="24.000000">
+            <distortion a="0.000000"  b="-0.005132" c="-0.008200"/>
+          </focallength>
+          <focallength value="27.000000">
+            <distortion a="0.000000"  b="-0.004119" c="-0.006452"/>
+          </focallength>
+          <focallength value="29.000000">
+            <distortion a="0.000000"  b="-0.004177" c="-0.003541"/>
+          </focallength>
+          <focallength value="31.000000">
+            <distortion a="0.000000"  b="-0.002338" c="-0.006455"/>
+          </focallength>
+          <focallength value="33.000000">
+            <distortion a="0.000000"  b="-0.002642" c="-0.006101"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.000829" c="-0.007504"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="287"
+      name="Tokina 28-70mm f/2.8 AT-X 287 PRO SV"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="28.000000">
+            <distortion a="0.000000"  b="-0.006412" c="0.000000"/>
+          </focallength>
+          <focallength value="30.000000">
+            <distortion a="0.000000"  b="-0.005104" c="0.000000"/>
+          </focallength>
+          <focallength value="35.000000">
+            <distortion a="0.000000"  b="-0.002950" c="0.000000"/>
+          </focallength>
+          <focallength value="42.000000">
+            <distortion a="0.000000"  b="0.000202" c="0.000000"/>
+          </focallength>
+          <focallength value="56.000000">
+            <distortion a="0.000000"  b="0.002091" c="0.000000"/>
+          </focallength>
+          <focallength value="70.000000">
+            <distortion a="0.000000"  b="0.003103" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="288"
+      name="Tokina 17mm f/3.5 AT-X AF PRO"
+      mount="genericSLR"
+      calib_cropfactor="1.500000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="-0.012125" c="0.000000"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+    <lens
+      id="289"
+      name="Tokina 17mm f/3.5 AT-X AF PRO"
+      mount="genericSLR"
+      calib_cropfactor="1.600000"
+      type="rectilinear"
+      status="reviewed"
+      author="Thomas Niemann">
+
+        <comment>Origin: PTLens database</comment>
+        <calibration>
+          <focallength value="17.000000">
+            <distortion a="0.000000"  b="-0.004083" c="-0.015672"/>
+          </focallength>
+        </calibration>
+    </lens>
+
+  </lenses>
+</lensdatabase>