High quality bayonet mount dedicated replacement lens hood EW-78BII (EW-78B) made specifically to match the focal length of compatible lenses with black matte inner surface designed to reduce the light"s glare Prevent glare by stopping light from coming into the lens at side angles Improves contrast and image quality Protects lens from scratches and impacts You can use lens cap and filter with the hood on a lens Can be installed in reverse position to save space when not needed Compatible lenses: Canon EF 28-135mm f/3.5-5.6 IS USM