VILTROX Adapter Reducer Booster Mirrorless Review

【Compatibility】Viltrox EF-EOS M2 mount adapter is designed to allow compatible with Canon EF-mount series lenses to be used on interchangeable-lens digital cameras that compatible with EF-M lens. 【Support Aperture Control and 0.71x Focal Reducer Booster 】Designed with internal aperture motor, you can adjust the aperture from camera end directly to control the lens’ actual aperture. Plus 0.71 based on the original focal length (equivalent focal length =focal length x 0.71) , which help enlarge 1 level aperture.It is also built in 4 groups,4pcs optical glasses. 【Fast and Accurate Auto-Focus】Viltrox EF-EOS M2 lens adapter can provide you with a fast and smooth focusing experience.Focusing speed is almost the same as the original lens. Can efficiently track and flexibly lock objects. And also focus mode can be changed to manual focus via switch. 【EXIF signal transmitting】EF-EOS M2 lens mount adapter can transmit the EXIF signals to your camera and display the current information on the screen.( like Aperture, Shutter Speed, Exposure parameters, etc. ). 【USB Firmware Upgrade】Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.