While exploring the cosmos through your telescope or spotting scope the T-Ring for Canon EOS is an essential accessory for capturing those breathtaking views. Specifically designed for Canon EOS camera bodies this Celestron EOS T-Ring offers a seamless connection between your camera and telescope. To install simply remove your camera s lens and replace it with the T-Ring following the same process as mounting a lens. The telescope side of the T-Ring features versatile threads that are compatible with a wide range of camera adapters including the Celestron T-Adapter or Tele-Extender. Your choice of adapter will depend on your specific photography needs. Whether you re capturing terrestrial landscapes or celestial bodies a simple T-Adapter can transform your telescope or spotting scope into a powerful telephoto lens. For owners of Schmidt-Cassegrain telescopes with standard rear cell threads the #93633-A T-Adapter is an optimal choice. If you re using a refractor the Universal T-Adapter (#93625) with its 1-1/4 barrel insert is available. For those with the EdgeHD optical system specialized T-Adapters are available for the 8-inch EdgeHD (#93644) and the 9.25 11 and 14-inch EdgeHD (#93646). The Celestron T-Ring for Canon EOS DSLR and SLR camera bodies boasts a sturdy bayonet flange that locks securely in place just like a lens ensuring a stable and reliable connection. It attaches to a variety of camera adapters and accessories via standard T-Threads making it a versatile tool for high power images of the Moon and the planets. Please note this T-Ring is designed to fit EOS model cameras only and is not compatible with other Canon camera bodies.