Neewer 4-Pack Black Metal Lens Mount Adapter for M42 Lens to Canon EOS Camera / such as Canon EOS 1d, 1ds, Mark II, III, IV, 5D, MarK II, 7D, 10D, 20D, 30D, 40D, 50D, 60D, EOS Digital Rebel xt, xti, xsi, t1i, t2i, xs, T3 / 300D, 350D, 400D, 450D, 500D, 550D, 1000D, 1100D