JJC Bayonet Dedicated Lens Hood for Canon EF 85mm f/1.8 USM, EF 100mm f/2.0 USM, EF 135mm f/2.8 SF, EF 100-300mm f/4.5-5.6 USM Lens, Replaces Canon ET-65III OEM Lens Hood Made of high quality ABS material, reversible design allows you to mount the hood in reverse for compact storage Minimizes flare and ghosting by blocking out stray light Protects your lens from accidental impact and the elements It replaces Original Canon ET-65III Lens Hood It fits Canon EF 85mm f/1.8 USM, EF 100mm f/2.0 USM, EF 135mm f/2.8 SF, EF 100-300mm f/4.5-5.6 USM Lens