This set contains a T-ring for Canon EOS Cameras and a 1.25" to M42 T-mount. They are made of high-quality material, durable for long time use. It fits almost all Camera EOS 5d, 5d Mark Ii, 50d, 60d, 20d, 30d, 40d, 350d, 400d, 450d, 500d, 550d, 600d, 1100d, 1d, 1d Mkiii, Digital Rebel T4i, T3i, T2i, T1i, Xt, Xti, Xsi, Xs, and All EOS SLR Camera. It is very easy to use: 1. Connect the T-ring mount and T-Mount by M42 threads. 2. Assemble the set to your Sony camera. 3. Connect the camera with the set to the telescope by 1.25" (31.7mm) excircle on T-mount. Tighten the screws on the 1.25" adapter. Make sure they are locked and safe. 4. Put on the camera and calibrate focal length te get a clear image. Package Include: 1 * T-ring for Canon EOS SLR/DSLR ; 1 * 1.25"-M42 T-mount

• Useful accessories allows you to attach your Canon EOS Cameras to the 1.25inch eyepiece diameter telescope.(FOR Camera EOS 5d, 5d Mark Ii, 50d, 60d, 20d, 30d, 40d, 350d, 400d, 450d, 500d, 550d, 600d, 1100d, 1d, 1d Mkiii, Digital Rebel T4i, T3i, T2i, T1i, Xt, Xti, Xsi, Xs, and All EOS SLR Cameras).
• With T-ring, you can use M42 Lenses on your camera. Inner ring can be rotated to ensure lens is always right way up.
• Having the right equipment to shoot art-gallery images of the heavens starts with the right telescope, camera and camera adapter, and ends here.
• All metal construction and anodizing aluminium process, durable for long time use. Threaded for standard 1.25- inch astronomy filters.
• Brand new CANON EOS Camera Adapter for telescope with standard 1.25inch Eyepiece Ports,easy and smooth for you to use.

Useful accessories allows you to attach your Canon EOS Cameras to the 1.25inch eyepiece diameter telescope.(FOR Camera EOS 5d, 5d Mark Ii, 50d, 60d, 20d, 30d, 40d, 350d, 400d, 450d, 500d, 550d, 600d, 1100d, 1d, 1d Mkiii, Digital Rebel T4i, T3i, T2i, T1i, Xt, Xti, Xsi, Xs, and All EOS SLR Cameras).Astromania