This is a Canon EF - EOS R Adapter.
The Mount Adapter EF-EOS R gives you the ability to utilize any Canon EF or EF-S lens with the EOS R camera, letting you use your existing lenses with the camera and allowing you to expand your horizons. Lightweight, compact, and easy to attach, the Mount Adapter EF-EOS R makes it possible to use EF and EF-S lenses without compromising functionality, speed, or quality. This Adapter comes with the rear cap but is missing the front cap. Cosmetically it is in great shape!
WE SHIP IN 1 BUSINESS DAY and we package professionally. We are interested in BUYING your photographic equipment as well. We are Camera Exchange located in Waterford, Michigan.