Compatibility: EF-EOS M mount adapter compatible for Canon EF and EF-S mount lenses and EOS-M (EF-M mount) mirrorless cameras, such as EOS M M2 M3 M5 M6 M10 M50 M100. AF Function & Aperture Control: fast auto-focus(AF) speed; inbuilt aperture motor and an electronic contact; actual aperture of lens can be controlled directly from the camera side; data of shutter, aperture and ISO indicated on camera screen. Built-in IS(Image Stabilizer): built-in image stabilizer, making focus more accurate and better helping you take clear pictures; please set your camera APS-C Size Capture to 'off' if you get your lenses to full frame function. EXIF Signal Transmission: use gold-plated needle/PIN to transmit signal, dramatically enhancing its transmission performance; metal electronic contact ensure high quality signal transmission. Fashionable Design: designed with 1/4" screws at the bottom, which can be mounted on tripod or other brackets; detachable bracket; very convenient to use this lens control ring. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store