***** *****EF-EOS M2 mount adapter is designed to allow Canon EF-mount series lenses to be used on interchangeable-lens digital cameras that compatible with EF-M lens. *****Focal length is multiplied by 0.71 based on the original (equivalent focal length =focal length x 0.71 ), which helps enlarge 1 level aperture. *****With auto focusing function - Can increase the lens 3 f-stop, increasing the amount of light into the virtual background, can better highlight the theme*****It is also built in 4 groups, 4pcs optical glasses. it can achieve functions of EXIF signal transmission, AF (autofocus) and adjustable aperture, etc.
*****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.