Canon Control Ring Mount Adapter EF-EOS R Walmart an electromagnetic aperture mechanism is

an electromagnetic aperture mechanism is integrated into the lens design to provide greater exposure control stability that is especially beneficial when working with faster continuous shooting rates

full-time autofocus can be employed

With a simple switch

Nano USM system utilizes both a ring type USM and an STM mechanism to realize quick and accurate focusing that is also smooth and nearly silent to suit both photography and video applications

6 to f/22-38

Canon Control Ring Mount Adapter EF-EOS R Walmart an electromagnetic aperture mechanism isBRAND NEW IN STOCK & READY TO SHIP!!! Canon EF EF S Lens to EOS R Camera Maintains AF and Image Stabilization Configurable Control Ring Dust and Water Resistant Import Model, 30 Day Labor 1Yr Parts Warranty by Seller Extending the range of compatible lenses, the Canon Control Ring Mount Adapter EF EOS R is a unique lens adapter designed for attaching any EF or EF S mount lens to the EOS R mirrorless digital camera. This sophisticated adapter