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Broaden your range of lens choices with the Viltrox EF-R2 adapter ring, which permits attaching Canon EF/EF-S-mount lenses on a Canon RF-mount mirrorless camera body. This versatile adapter incorporates a customizable control ring, which permits adapter ring-based adjustment of exposure settings, including 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 transfer Exif data to the camera body. Additionally, it also has an integrated USB port for making firmware updates and the ring is constructed from aluminum and copper alloy components for durability and rigidity.