Phillipus2005
Registered
@MaxBottomtime Sorry for the subject change - what are the floats you've got on your rig?
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It makes a big difference on macro, where there is little water between the lens and the subject. Mid-range f-stops produce sharper images, albeit with less depth of field, of course.While it is true that very small f-stops can lead to diffraction limited resolution, underwater that doesn't seem to be so much a worry, since the water is much less optically clean (in most cases).
Bill