Canon EW83E Lens Hood for EF 16-35mm f/2.8L Canon SLR Lens Plastic lens hood for Canon EF 16-35mm f/2.8L USM, EF-S 10-22mm f/3.5-4.5 USM, EF 17-40 f/4L USM Lens Compatibility:EF-S 10-22mm f/3.5-4.5 USM,EF 17-40 f/4L USM Refurbished, EF 16-35 2.8L USM, EF-S 10-22mm f/3.5-4.5 USM Refurbished, EF 17-40mm f/4L USM