Viltrox EF-M2 mount adapter is designed to allow for Canon EF mount series lens to be used on M4/3 camera. Plus 0.71 based on the original focal length (equivalent focal length=focal length x0.71), which help enlarge 1 level aperture. Build-in 4groups, 4pcs optical glasses, AF(auto focus) and adjustable aperture, etc.
Gold-plated electronic contact, Auto-focus function.
It can realize AF, adjustable aperture from camera body to lens’s aperture.
More durable metal material.
Allow for Canon EF mount series lens to be used on M4/3 camera.
Focus length multiplier: 0.71x.