Viltrox EF-M1 lens mount adapter is designed to allow Canon EF-mount or EF-S-series lens to be used on a M43 camera with full electronic communication. By adapter mounting it can achieve functions of EXIF signal transmission, AF (autofocus) and adjustable aperture, etc. 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. For ease of upgrading its firmware, this adapter also includes a micro-USB port.