Superb Sony E Mirrorless Fit Carl Zeiss 135mm F/3.5 Lens Telephoto Portrait NEX
Sony E Fit Carl Zeiss Jena 135mm F/3.5 MC S. Minolta AF/Sony Alpha. I have personally used this lens on my Canon 60d, a Sony NEX-5 and a Panasonic G1 and GH2! There are M42 adapters available inexpensively for the following systems and more.