Viltrox EF-EOS M Lens mount Adapter for Canon EF or EF-S Mount Lens to Canon EF-M mount CameraProduct Description: This Lens Mount Adapter from Viltrox is designed to allow a Canon EF or EF S mount lens to be used with a Canon EF M mount camera with full electronic communication. The underside of this Adapter's detachable tripod foot is tapped with a 1 4" 20 accessory thread, providing direct attachment to tripods or quick release plates that feature 1 4" 20 mounts. Supports electronic communication between camera and lens to enable autofocus