Fotasy 16mm Cine Movie C Mount Lens to Canon EOS M EF-M Mirrorless Camera Adapter, fits Canon M1, M2, M3 M10 Mirrorless Camera This adapter allows you to use 16mm Cine Movie C Mount Lens to fit on Canon EOS-M Mirror less Digital Camera M1 M2 M3. Works on Canon EOS-M Mirror less Digital Camera, M1 M2 M3 Pals note this adapter does NOT fit Canon 6D, 5D Mark III II, 7D, 70D, 60D, 50D, 40D, 700D, 650D, 600D, 550D, 500D, 450D, 400D, 350D, Rebel T4i, T4, T3i, T3, T2i, T2, SL1 Maintains Infinity Focus on Lens There is no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually. Automatic diaphragm, auto-focusing, or any other functions will not operated with using this adapter.