Expand your range of options with the Viltrox EF-R2 adapter ring, which allows the mounting of Canon EF/EF-S lenses on a Canon RF-mount camera body. This versatile adapter incorporates a customizable control ring, enabling the adjustment of exposure, ISO, aperture, shutter speed, and exposure compensation. The adapter's design also features gold-plated electronic contacts to maintain autofocus, auto exposure, and image stabilization capabilities, as well as to transfer Exif data to the camera body. 

Additionally, it also features a built-in USB port for firmware updates, while the ring is made from aluminum and copper alloy components for durability and strength.