Opteka T-Mount (T2) Adapter for Canon EF EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5Ds, T7i, T7s, T6s, T6i, T6, T5i, T5, T4i, T3i, T3, T2i, SL2 and SL1 Digital SLR Cameras Allows you to mount any t-mount lens with onto a Canon EOS camera body High quality all-metal anodized aluminum construction Smooth mounting surfaces allow for effortless attaching Allows you to mount any T-Mount lens your telescope on your camera body Compatible with t-mount lenses such as 500mm mirror, 500mm preset, 420-800mm and 650-1300mm