Canon ET-65III Lens Hood

Canon ET-65III Lens Hood for EF 85mm f/1.8, 100mm f/2.0, 135mm f/2.8 SF & 100-300mm f/4.5-5.6 Lenses

Canon ET-65III Lens Hood : Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact.