Fotasy 58mm Macro Reverse Adapter Ring for Canon EOS 1D,1Ds, Mark II, III, IV, 5D, Mark II, 7D, 10D, 20D, 30D, 40D, 50D, 60D, 650D, 600D, 550D, 500D, 450D, 400D, 350D, 1100D, 1000D etc This lens mount adapter converts any lens with 58mm filter thread become a Macro lens on Canon EOS camera body. Therefore, you don't need to buy any Macro lens. ' Although the lens will fit physically,automatic diaphragm,auto-focusing, or any other functions will not operate correctly with using this adapter. For Canon 1D, 1Ds, 5D, 5D Mark II, 7D, 60D, 50D, 40D, 30D, 20D, 1D, 600D, 550D, 500D, 450D, 400D, 350D, 1000D, 1100D, etc. Fits Lens with 58mm filter thread, eg. Canon 18-55mm F3.5-F5.6 kit lens