【Compatibility】The Mount Adapter EF-EOS M allows Canon EF and EF-S lenses to be mounted on the Canon EOS M Digital Camera. | 【AF Function & Aperture Control】Fast auto-focusing speed; Actual aperture of the lens can be controlled directly from the camera side. Meanwhile, Datas of Shutter, aperture and ISO are displayed on camera. | 【IS Stabilization & EXIF Signal Transmitting】Built-in IS stability, making focus more accurate and clear; The design of gold plated PIN has excellent signal transmission performance. | 【Construction】Metal mount on both Lens and camera sides provides rugged flexibility. | 【Design】designed with 1/4 screws at the bottom, which can be mounted on tripod or other support platform; detachable support tripod.