Opteka EW-60C Lens Hood for Canon EF 28-80mm f/3.5-5.6 I, II, III, IV, V Lens, EF-S 18-55mm f/3.5-5.6 I, II, IS, USM Lens & EF 28-90mm f/4.0-5.6 II, II USM, III Lenses Replacement for Canon EW-60C Lens Hood Compatible with the Canon EF 16-35mm f/2.8L, EF 17-35mm f/2.8L, & EF 17-40mm f/4L Lenses Prevent unwanted stray light from entering the lens Extra protection from accidental impact Designed to match the specific focal length of the lens