Fotodiox Lens Hood for Canon EOS EF 17-35mm f/2.8L USM Lens, replaces Canon EW-83CII Lens Hood, EW-83C II, EW-83 CII Lens Hood for Canon EOS EF 17-35mm f/2.8L USMLens, replaces Canon EW-83CIILens Hood, EW-83C II, EW-83 CII Dedicated Bayonet Mount Type Premium Grade High Impact Plastic 24 Months Warranty