Compatibility: EF-EOS M mount adapter compatible with Canon EF and EF-S lenses and EOS-M (EF-M mount) mirrorless cameras, such as EOS M M2 M3 M5 M6 M10 M50 M100. AF function and aperture control: fast autofocus (AF); built-in shutter motor and an electronic switch; the actual aperture of the lens can be controlled directly from the camera side; shutter, aperture and ISO data are displayed on the camera screen. Built-in IS (Image Stabilizer): built-in image stabilizer that makes focusing more precise and helps you take clearer pictures; set your camera APS-C size Capture to 'off' if you set your lenses to full-frame mode. EXIF signal transmission: use gold-plated pin/PIN to transmit signal, which dramatically improves its transmission performance; metallic electronic contact ensures high-quality signal transmission. Fashionable design: designed with 1/4 screws at the bottom, which can be mounted on a tripod or other mounts; Detachable mount; very convenient to use this lens control ring. With the concept of customer first, we provide you with 24/7 customer service. No matter where you are or what problems you encounter, we will solve them for you as soon as possible to ensure your shopping experience is worry-free.