Connect your EF lens to your new EOS R system camera with this specially designed adapter. Built to maintain the same levels of performance and functionality seen on EOS DSLRs, you can continue to shoot with your current EF lenses as you explore the new optical system of the EOS R camera. Canon EOS R adapters are weather-sealed against dust and moisture, ready to be used on location. Benefits Allows EF and EF-S lenses to be used on Canon EOS R body EF and EF-S lenses behave in the same way as they would on Canon EOS DSLRs Weather-sealed against dust and moisture Metal lens mount on both the back and front of the adapter Weight: approx. 110 g, Max. Diameter and Length: 71.2 x 24.0 mm What\'s in the box Mount Adapter EF-EOS R Camera Cover R-F-3 Lens Dust Cap RF Soft Case User Manual Compatibility EOS R3 EOS R5 EOS R6 EOS R EOS RP EOS R5 C