Re: [UFRaw-Devel] exposure adjustment

[Daniel F. <dan...@mb...>]

Greg Troxel wrote:
> Daniel Falk <dan...@mb...> writes:
>
>   
>> It seems to me that the exposure and probably curves as well, are 
>> sometimes too dark, sometimes too light.  Really it's all over the 
>> place.  This is the case if I have set the exposure to "auto", but it's 
>> also the case if I leave it alone.  Is this a typical experience?
>>     
>
> My experience (D200 mostly) is that exposure is usually too dark, so
> that +0.5 is required to get a jpg that sort of is like the camera's jpg.
>
>   
>> I wonder why with other properties of my raw file, UFRaw is able to 
>> comprehend them and apply them, while the exposure settings seem to be 
>> lost entirely.  For example, I can select "Camera WB", and that WB is 
>>     
>
> It's not that they are lost - it is that ufraw's conversion of bits to
> jpg values does not match the camera.
>
>   
>> applied perfectly, but I can't seem to select "Camera Exposure".  Am I 
>>     
>
> that is 0.0 on the EV scale.
>
>   
0.0 on the EV is sometimes too dark, other times too light and I 
wouldn't say that it's off by only a little.  But it's good to know what 
the intended behavior here is.  Should I file a bug report?  I can also 
provide sample NEFs if anybody needs them.