Compatibility - EF-EOS M mount adapter compatible for Canon EF and EF-S to EOS-M (EF-M mount) mount Lens,Canon Mirrorless Camera Body EOS M M2 M3 M5 M6 M6 Mark II M10 M50 M50 Mark II M100 M200. | AF Function and Aperture Control - EF-EOS M lens converter has built-in aperture motor and electronic contact, which can control the aperture of the lens by means of electronic contact.The extensive range includes fixed focus and zoom lenses covering a focal length range From 8mm to 800mm. The aperture control function almost supports Auto-Exposure, Auto-Focus,Automatic diaphragm and Auto-Aperture of Canon EOS EF EFs Lens and EOS M Camera. | EXIF Signal Transmission - The design of gold plated PIN has excellent signal transmission performance while it supports EXIF signal transmission,dramatically enhancing its transmission performance.Metal electronic contact ensure high quality signal transmission, Also supports lens with the Image Stabilizer(IS) function for bettering focusing. | Built-in IS Stabilization - Built-in IS stability, making focus more accurate and clear and better helping you take pictures; please set your camera APS-C Size Capture to "off" if you get your lenses to function as full-frame. | Easy to Install - The marker for each position (red dot and white square) fits camera boby and camera lens ports precisely,There's a clicking sound if you install right,and removable easy to use.and is easy to carry with you and adds zero bulk to your camera,wherever you go.And connected through the 1/4" thread, the included tripod mount enables you to attach a heavy telephoto lens to a tripod for taking sharp and clear photographs.