XFAN Mount Adapter EF-EOS R for Canon EF/EF-S Lens to EOS R Mirrorless Camera XFAN Mount Adapter EF-EOS R allows for the use of Canon EF and EF-S mount lenses on Canon EOS R series mirrorless cameras. This high-quality adapter maintains full electronic communication between the lens and camera, supporting autofocus, image stabilization, and EXIF data transmission. It features a durable metal construction with a detachable tripod foot for better balance when using heavier lenses. The matte black interior minimizes internal reflections to ensure optimal image quality. Included is a rear cap for protection when not in use.