Thought it would be cool to have a place to discuss and share thoughts about this particular gem.  I just recently acquired one, and have done some primitive testing with it on an a7s/helios-44m. Will share when I have something more than my backyard. In the meantime I have some questions: Have anyone tried it with (FF) wider than 50mm? Would it work with like a 40mm/45mm pancake? How does it perform with the SLR Magic Rangefinder? I can't seem to find proper focus closer than ar