Fotasy ET-86 Lens Hood for CanonEF 70-200mm f/2.8L IS USM Lens/replaces ET-86, Black Replacement for Canon ET-86 Lens Hood for CANON EF 70-200mm f/2.8L IS USM Lens Designed to prevent unwanted stray light from entering the lens. Ensures no problems with vignetting or motor functions. Added benefit of extra protection from accidental impact.