Allows M42 Lens to fit on Canon EOS Camera body. | Manual focus and manual exposure. It also can be used with Macro rings and other accessories | Smooth surface for effortless mount. Durable anodized aluminum construction. | Compatible Cameras (including, but not limited to): 1d/1ds, Mark II, III, IV, X, C, 5D, 5D Mark II/III 7D, 10D, 20D, 30D, 40D, 50D, 60D, 60Da, Rebel xt, xti, xs, xsi, t1i, T2i, T3, T3i, T4, 300D, 350D, 400D, 450D, 500D, 550D, 1000D | Note: Lens adapter ONLY. Camera in the pictures NOT included.