Fotodiox Pro Lens Mount Adapter -- Zeiss Contax/Yashica (c/y) Lens to Canon EOS Camera, for Canon EOS 1D, 1DS, Mark II, III, IV, 1DC, 1DX, D30, D60, 10D, 20D, 20DA, 30D, 40D, 50D, 60D, 60DA, 5D, Mark II, Mark III, 7D, Rebel XT, XTi, XSi, T1, T1i, T2i, T3, T3i, T4, T4i, C300, C500