Support IS Function: Built-in IS stability function, making your focus more precise and clear, which better help you take pictures.<br />EXIF Parameter Transmitting: It can transmit the EXIF signals, after connected to the Can0n lens, you can see the relevant parameter, such as aperture, shutter speed, exposure parameters, etc.<br />Support Electronic Aperture Adjustment: Support aperture control, you can adjust the aperture from EOS M camera directly to control the lens' actual aperture. The adapter currently supports for Canon electromagnetic aperture EF-mount lens and traditional lever aperture lens.<br />Made of aluminium alloy, powerful and stable, after connecting with the lens, it won't deform after repeated using, which is strong and durable. 1/4 inch standard thread at the bottom, convenient for connection with tripod and other supports. ">