This program will help to make advise on adjusting the shooting EV value while you had assign interesting zones from your picture. It is an effort to carry the Zone System and principle of pre-view on digital camera color photography.
Using this program, you should
1. capture a pre-view image first,
2. load it into program,
3. assign the brightest zone, darkest zone with as many interesting zones as you want
4. push the "Calculate' button to see how many EV adjustment amount should used for a better result on your photography.
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