FotodioX T-Ring for Canon EF and EF-S Mounts

This T-Ring Adapter for Canon EF and EF-S Mounts from Fotodiox is an accessory that lets you mount T2 components to Canon EF and EF-S Mount Cameras. This particular model, the FC10, boasts an enhanced design that includes a focus confirmation chip that allows you to continue using focus confirmation with any attached lens—not just Canon EOS lenses.