Here is the first direct adapter for the G1, more complicated than most adapters as it has a focusing helical.



One of my favorite lenses on the G1 is the Carl Zeiss Opton Sonnar 50/1.5 like in this photo, but I had to use two adapters (Contax to Leica M, Leica M to m4/3.)

http://cgi.ebay.com/ws/eBayISAPI.dll...m=130311829755