Canon ET-67 Lens Hood for the Canon EF 100mm F/2.8 Macro USM Fixed Lens

Canon ET-67 Lens Hood for the Canon EF 100mm F/2.8 Macro USM Fixed Lens. One of the most important accessories for each lens you own. A lens hood provides multiple functions: it shades the lens from stray light, improving your contrast and image quality; in inclement weather, it can assist in keeping moisture or wind-blown debris off the lens; and it protects the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles. Almost all EF and TS-E lenses have a Canon lens hood engineered specifically for them.