Adapters are available !!!!
Contax G- Nex
http://www.dl-kipon.com/onews.asp?id=69
Nikon- Nex
http://www.dl-kipon.com/onews.asp?id=70
L39- Nex
http://www.dl-kipon.com/onews.asp?id=71
M42-Nex
http://www.dl-kipon.com/onews.asp?id=72
Leica M- Nex
http://www.dl-kipon.com/onews.asp?id=73
Contax G- Nex
http://www.dl-kipon.com/onews.asp?id=69
Nikon- Nex
http://www.dl-kipon.com/onews.asp?id=70
L39- Nex
http://www.dl-kipon.com/onews.asp?id=71
M42-Nex
http://www.dl-kipon.com/onews.asp?id=72
Leica M- Nex
http://www.dl-kipon.com/onews.asp?id=73