Great addition to your EF 16-35mm F/2.8L USM - EF 17-40mm F/4L USM - EF-S 10-22mm F/3.5-4.5 USM. The Canon EW-83E Lens Hood, like all other Lens hoods, is primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens.
Compatible Modelef17 40mmf4lusm, ef s10 22mmf3.5 4.5usm, 10-22mm, for ef s10 22mmf3.5 4.5usm, EF 16-35/2.8L USM, ef16 35mmf2.8lusm, 16 35 and 17 40mm, Canon EF-S