Features: For mouting EF/EF-S lens onto EOS M camera body. With electronic pins, it permits auto focus. And it focus infinitely. High precision, permitting perfect signal transmitting between lens and camera. Material: metal. The lens adapter is designed with a 1/4' tripod hole. So with a compatible adapter, camera and lens set can be mounted onto tripod. Rear and front caps for protecting both threads from damage & scratches. Package Including: 1 x metal AF lens adapter for EF to EOSM 2 x protector cap