This is a nice EF-EOS-R adapter. It has a control ring on it that is designed to securely attach the lens and provide a seamless connection for controlling the lens functions on the camera body.
It is in excellent condition with light wear and works perfectly.
![Canon Control Ring Mount Adapter EF EOS-R [EXC] - Victory Camera](http://www.victorycamera.com/cdn/shop/files/Canon-1_c9aa9728-7dc6-4d01-9f75-1fae7f61563f_2048x.jpg?v=1762275374)
![Canon Control Ring Mount Adapter EF EOS-R [EXC] - Victory Camera](http://www.victorycamera.com/cdn/shop/files/Canon-2_6a751abe-b20b-4534-877c-8fc784e9e353_2048x.jpg?v=1762275374)
![Canon Control Ring Mount Adapter EF EOS-R [EXC] - Victory Camera](http://www.victorycamera.com/cdn/shop/files/Canon-3_52224ae1-9b56-4c38-9988-fa9874bf6e20_2048x.jpg?v=1762275374)
![Canon Control Ring Mount Adapter EF EOS-R [EXC] - Victory Camera](http://www.victorycamera.com/cdn/shop/files/Canon-4_3b8cfc2e-0966-471f-a1f6-9887b13ec966_2048x.jpg?v=1762275374)
![Canon Control Ring Mount Adapter EF EOS-R [EXC] - Victory Camera](http://www.victorycamera.com/cdn/shop/files/Canon-5_4309a03d-3906-498b-98d2-c1a7e74a0ac5_2048x.jpg?v=1762275374)
