I don\'t know if this is out of place here but it might be of interest.
Using an m4/3 body permits me to use lenses with a shorter registration distance than I could with any other. For examples, I have been able to explore the performance of a top quality Schneider enlarger lens all the way from infinity to macro. Here is a shot at distance:
My posts (just started in recent days) in the Macro world forum feature just about any lens other than those made for m4/3. They include Kiron, Leitz and other.
My latest Schneider HM lens has a large image circle and this gives confidence when using it with a tilt adapter:
