Canon ew 68a lens hood for ef28 80mm f35 56 usm
Canon ew 68a for ef28 80mm f35 56 usmlens 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 dedicated lens hoods are designed to match the specific focal length of the lens it was designed for