Whether you're shooting digitally or on film, Fotodiox offers the world's largest selection of lens adapters. Actual product may vary slightly due to ongoing improvements in design Compatible with M42 Type 1 lenses on Canon EOS EF/EF-S mount cameras; Infinity focus allowed , High-tolerance precision craftsmanship Premium grade Fotodiox adapter If camera does not release be sure to enable ‘shoot without lens’ in camera settings. Fotodiox Lens Mount Adapter Compatible With M42 Type 1 Lenses Compatible Canon EOS EF/EF-S 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 Please Note: This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc., ) will be disrupted. Set your camera to “Manual’ or ‘Aperture Priority’ for metering. We state “infinity focus allowed” because our adapters are designed to be universal which can prevent some lenses from focusing to infinity at the infinity mark. Mix camera/lens platforms or reinvigorate vintage glass; Fotodiox has hundreds of ways to mount lenses onto your DSLR or SLR camera. Our adapters deliver manual aperture control, and a sturdy build for lasting quality