The phot r ew 60c compatible canon lens hood helps to prevent unwanted stray light from entering the lens by shading the front of the lens dedicated lens hoods are designed to match the specific focal length of the lens it was designed for since the end of the lens is extended you also get the added benefit of some extra protection from accidental impact this lens hood is compatible with the canon ef s 18 55mm f35 56 canon ef 28 80mm f35 562 and canon 28 90mm f4 56 lenses it helps