Connect your EF or EF-S lens to your new EOS R system camera with this specially designed adapter. This adapter features a lens control ring, which can be programmed via the cameras menu for customised adjustment of various settings such as aperture, shutter speed, ISO or exposure compensation - all while your EOS R camera is still at your eye. Canon EOS R adapters are weather-sealed against dust and moisture, ready to be used on location. Benefits Programme this lens control ring to adjust aperture, shutter speed, ISO or exposure compensation while your EOS R camera is still at your eye Allows EF and EF-S lenses to be used on Canon EOS R bodies 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. 130 g, Max. Diameter and Length: 74.4 x 24.0 mm What\'s in the box Control Ring 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