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 incorporates a customizable Control Ring, the same as that on native RF-mount lenses, for intuitively adjusting exposure settings, such as ISO, aperture, and exposure compensation- This ring provides tactile feedback when being turned, making it easy to recognize and control your settings adjustments- It also retains full autofocus and image stabilization capabilities and contains no optical components, thereby maintaining the original optical quality of the mounted lens- Additionally, it is dust- and water-resistant, making it suitable for use in harsh weather conditions- {Key Features} - Canon EF/EF-S Lens to EOS R Camera - Maintains AF and Image Stabilization - Configurable Control Ring - Dust- and Water-Resistant {Box Contents} - Canon Control Ring Mount Adapter EF-EOS R