Shelf bracket -M-mount body adapter ring Highlights generic brand M-mount body adapter ring Description: Allows Canon EOS EF EF-S lens to be used on camera body EOS M mount camera. It will allow you to use for Canon EOS EF EF-S manual focus lenses on Canon M series mirrorless cameras. It will work on cameras such as M cameras M2, M3, M10. There is no electronics in the adapter, aperture and focus need to be controlled manually. And you can only use the maximum aperture of the EF/EF-S lens. Please install/uninstall the adapter after turning off the camera. Specification: Material: Aluminum Alloy Color: Black Size: Approx. 63*30mm Fits: Lens: Canon EOS EF/EF-S lens Camera: for Canon EOS M-mount digital camera Package includes: 1 piece EOS-EOS M lens mount adapter