Viltrox EF-M2II mount adapter is designed to allow Canon EF-mount series lens to be used on M43 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 (autofocus) 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
Compatible with Canon EF lens