Quote Originally Posted by BetterSense View Post
At least I understand all those problems. I don't fully understand the effect of camera format on the final print's DOF and sharpness. I still don't understand the merits of shooting to a smaller format and enlarger more, versus shooting to a larger format and enlarging less.
If you are looking at equal DoF and equal relative image size (unequal f-numbers and unequal magnification), then there is no advantage to format in macro photography (1x or greater). The only advantage is in granularity and resolving power of the film on appearance.