Celestron 93419 T Ring Adapter for Canon EOS Digital Cameras, Black

Attaches to Canon EOS DSLR and SLR camera bodies Sturdy bayonet flange locks in place just like a lens, providing secure contact Attaches to a variety of camera adapters and accessories via standard t-threads Fits EOS model cameras only and will not work with other Canon camera bodies A T-Ring is one of the first accessories you will need if you want to take pictures through a telescope or spotting scope