Fotodiox 67mm Filter Thread Macro Reverse Mount Adapter Ring, 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;

Fotodiox Reverse Mount Adapter Ring is made of premium-grade aluminum.  The lens can be solidly mounted on the lens in reverse for incredible Macro Photography. It works with all Canon EOS EF mount camera bodies, digital or film. Any lens with 67mm filter thread will fit on the thread side of the adapter. For example, you can fit a Nikon lens with 67mm thread on a Canon EOS Camera. It dramatically expanded your choice in selecting proper lenses for this adapter.