【Compatibility】Commlite EF-EOS M mount adapter ring allows Canon EF and EF-S mount series lens to be mounted on Canon EOS-M mirrorless digital cameras. Please contact us if you’re not sure whether this lens adapter ring fits for your camera. Please refer to the compatibility table before you purchase our CM-EF-EOS M lens mount adapter. 【AF function and Aperture Control】Commlite 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 aperture control function almost supports all Canon EOS M cameras, and you can also adjust the aperture directly from the camera side. 【EXIF signal transmitting】Use gold-plated needle PIN to transmit signal, greatly enhancing its transmission performance 【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 【Material & Design】Designed with 1/4 screws at the bottom, which can be mounted on the tripod or other retention frame; Zinc-plated alloy technology, with a strong and stable performance. Notice: After the connection by ‘Lens mount adapter’, the lens focal distance will get longer, the Max magnify rate and field also get little change. Complete electronic lens mount adapter CM-EF-EOSM is mainly used for connecting the ‘Canon EF series lens’ to ‘Canon EOS M series cameras ’. Meanwhile, Commlite utilizes the new electronic technology, which can make the aperture exactly being aligned via the adapter, and adjusted for auto-focus. It enhances the convenience of controlling the Canon EF series lens on Canon EOSM micro-single camera bodies in an electronic way. Main Features: 1.Auto-focus function; 2.Aperture exactly being aligned via the mount adapter; 3.Built-in hand-shaking function;
4.Zinc alloy core makes the adapter strong and powerful; 5.Gold-plated pins bring the great conductivity of signal transmitting; 6.1/4 Female thread screw for mounting onto the tripod; Specification: Compatible lens: Canon EF series lens Compatible Cameras: Canon EOS M( EF-M Mount )Cameras Front mount: Canon EF mount Rear mount: Canon EOS M mount Tripod screw:1/4 screw Max. diameter and length:66.6 x 26.0 MM