The Canon EF-EOS R Mount Adapter allows EF-S and EF lenses to be used on EOS R cameras seamlessly. This simple adapter retains full autofocus and image stabilization capabilities and contains no optical components maintaining the mounted lens’s original optical quality.

Built To Last

EF-EOS R adapter is built to withstand professional use, with metal mounts on the front and back. It is also weather-sealed against dust and moisture, so you can keep shooting even in tough conditions.

Engineering Excellence

Canon engineers developed the EOS R System adapters to maintain compatibility, quality and performance when connecting the EOS R to existing EF and EF-S lenses.