HeavyStar Dedicated Lens Hood for Canon EF-S 15-85mm f/3.5-5.6 IS Lens as Canon EW-78E Replacement for Canon EW-78E Lens Hood Compatible with Canon EF-S 15-85mm f/4.5-5.6 IS USM Lens Prevent unwanted stray light from entering the lens. Using non reflective paint for interior of lens hood. Designed to match the specific focal length of the lens.