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. BenefitsAllows EF and EF-S lenses to be used on Canon EOS R bodyEF and EF-S lenses behave in the same way as they would on Canon EOS DSLRsWeather-sealed against dust and moistureMetal lens mount on both the back and front of the adapterWeight: approx. 110 g, Max. Diameter and Length: 71.2 x 24.0 mmWhat's in the boxMount Adapter EF-EOS RCamera Cover R-F-3Lens Dust Cap RFSoft CaseUser Manual CompatibilityEOS R3EOS R5EOS R6EOS REOS RPEOS R5 CEOS R7EOS R10EOS R6 Mark IIEOS R50EOS R8EOS R100