Bayonet adapter for EF lenses on RF mountPreserves the original angle of viewIncreases brightness by approximately one stopFull communication between lens and cameraCompatible with EOS C70Lightweight at approximately 200 g
TeleconverterOptical construction: 5 elements, 3 groupsFocusing: AFInterchangeable mount: Canon EF, Canon EF-SWeight: 157 g <b>Please inquire with the dealer about the supplied interchangeable lens mount.</b>