Canon EF-EOS R Mount Adapter

Features a compact, lightweight and highly portable design. The Mount Adapter EF-EOS R gives you the ability to utilize any Canon EF or EF-S lens with the EOS R camera.
Attaching this adapter to an RF mount camera body enables the use of any lens in Canon’s rich EF & EF-S lens* line-up, thereby expanding the possibilities of the EOS R System. 

*except EF-M and Cinema EOS lenses.