The above were shot at the closest possible distance (at maximum magnification). The following are full frame, just cropped from left and right.
As I could get maximum DOF and found no degradation, these are shot at F22, and resized to 1000 pixel long.
I have read a lot about diffraction at high F stops. So I tried a few close ups at high F stops, as I wanted maximum DOF. I cannot make out any any difference. If any one can, please tell what to look for.
These are 1:1 crops (as there is a current thread on 100% crop, I desist from calling the...