• M42 mount lens can be mounted on Canon EOS cameras Compatible with: EOS 10D 20D 20Da 30D 40D 50D 60D 60Da 70D 80D 90D, EOS 5D/II/III/IV 5DS/R 6D/II 7D/II, EOS 1D/II/IIN/III/IV 1Ds/II/III 1D C 1D X/II, EOS Rebel XT XS T1i-T7i SL1. SL2 SL. 3, Compatible with Blackmagic Pocket Cinema Camera 6K (Canon EF), Z CAM E2-S6 Super 35 6K E2-F6 Full-Frame 6K E2-F8 Full-Frame 8K Cinema Cameras, etc • There is no electrical connection on the ring, and the installation method with the lens is set manually • Other functions will not work properly while using this adapter ring • Smooth surface and sturdy enough metal • Note: Please turn on the camera's "Menu" - "Release without lens" to "ON". (We will inform you that we will change the package for this product. Packaging only changes, product specifications are not altered. )