Viltrox EF- M2 Auto Focus Lens Mount Adapter Ring 0.71X Focal Lenth Multiplier USB Upgrade Replacement for EF Series Lens to EF-M Mirrorless for M/ M2/ / M5/ M6/ / M50/ M100

Viltrox EF- M2 mount is designed to allow EF-mount series lenses to be used on interchangeable-lens digital cameras that compatible with EF-M lens. Features: Lens mount adapter Replacement for EF-mount series lenses to EF-M mirroless cameras. Focal length is multiplied by 0.71 based on the (equivalent focal length = focal length x 0.71) which helps enlarge 1 level aperture. By adapter mounting it can achieve functions of EXIF signal transmission AF(autofocus) and adjustable aperture etc. Built in 4 groups 4pcs optical glasses; supports firmware upgrade via the USB port. Zinc alloy material durable and sturdy; with 14 inch screw hole at the bottom can be installed on the tripod or other fixed bracket easily. Specifications: Compatible Lenses: for EF series lenses Compatible Cameras: interchangeable-lens digital cameras that compatible with EF-M lens Focus Mode: Auto Focus Focal Length Multiplier: 0.71X Optical Glasses: 4 groups 4 glasses Firmware Upgrade: USB upgrade port Item Weight: 145g / 5.1oz(excluding caps) Package Size: 11 * 10.5 * 6cm / 4.3 * 4.1 * 2.4in Package Weight: 280g / 9.9oz Note: This lens mount adapter is not compatible with EF-S mount lenses. Package List: 1 * Lens Mount Adapter with caps 1 * Users Manual(English & Chinese)