1、Made of aluminum alloy, light weight and sturdy, oxidation and corrosion resistance, long service life. 2、Support EXIF information transmission function, so that in the mobile scene shooting can quickly focus. 3、Support IS anti shake function, anti‑shake function can let you to exercise,take photos in various places, the picture is still clear as usual. 4、Support AF autofocus, quick and clear focus function to make your photos more clear and natural. 5、Gold plated electronic contacts for enhanced data transmission, and the base of the tripod can be connected to the tripod and the lamp holder. 1 x Adapter Ring 2 x Adapter Ring Protection Cover (Installed) Item Type: Lens AdapterWeight: Approx.229g / 0.5IbMaterial: Aluminum AlloyFocus Mode: AutofocusMount: EF / EF-S Mount, For EOS-RApplicable Lens: For Canon EF-EF / S LensApplicable: For Canon EOS R Series (For EOS R / RP R5 / R6, Etc.)