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Yep it does that ie:take exposure/then camera does its work.
Is this the procedure i should follow.......
1.) Take your actual exposure
2.) Put lens cap on
3.) Take "dark frame" exposure
4.) edit:
In photoshop, load the image, then copy in the dark frame image as a layer on top. Set blending mode on the dark frame layer to "difference" and opacity to 50%.
cheers
Ps;should any settings be adjusted though
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