My favourite lens ever. The ability to use this lens on my G1 was the reason I started buying adapters for my G1 & also why I started this group:-
I already used it on my Nikon & Canon DSLR's - this was just a further use becoming a 100mm F/1.2 equivalent.
Incredibly sharp, great bokeh including the amazing effect wide open (see image) I originally used it on the G1 with Nikon > Leica M and Leica M > m4/3 adapters. I now have a Nikon F > m4/3 adapter from cieco7.