Canon Mount Adapter EF-EOS RThe Canon 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. With a stylish design that matches the EF and EF S lens look and a sturdy, dust