Features: An adapter ring for connecting camera and telescope, helping to shoot more clear and beautiful photo of the distance scenery. Replacement for Canon EOS 5D, 5D Mark II, 50D, 60D, 20D, 30D, 40D, 350D, 400D, 450D, 500D, 550D, 600D, 1100D, 1D, 1D Mk III, T4i, T3i, T2i, T1i, Xt, Xti, XSi, XS, digital cameras, and other EOS DSLR cameras. Compatible with telescopes with standard 1.25 inch eyepiece, perfect for astrophotography. Made from premium aluminum alloy with exquisite anodic oxidation and CNC technique, oxidation-proof and rust-resistant. With a red dot mark on the ring, easy to install, just point it with the white dot on the camera and then tighten it, the installation work is done. Specifications: : Model:1.25-T2-EOS Color: Black Material: Aluminum alloy Compatibility: Compatible with Canon EOS 5D, 5D Mark II, 50D, 60D, 20D, 30D, 40D, 350D, 400D, 450D, 500D, 550D, 600D, 1100D, 1D, 1D Mk III, T4i, T3i, T2i, T1i, Xt, Xti, XSi, XS, digital cameras, and other EOS DSLR cameras, telescope with standard 1.25 inch eyepiece Product Size: 6.4 x 4.5 x 3cm/ 2.5 x 1.7 x 1.1inch Product Weight: 71g/ 2.5oz Package Size: 7.5 x 7.5 x 4.5cm/ 2.9 x 2.9 x 1.7inch Package Weight: 82g/ 2.8oz Note: Not suitable for using as replacement for Canon R mount and M mount cameras. Package List: 1 x Adapter Ring 1 x Telescope Adapter Tube Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.