77mm Digital Tulip Flower Lens Hood For Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens+ Cap Keeper + MicroFiber Cleaning Cloth
Universal Professional Tulip Lens Hood is primarily designed to prevent unwanted stray light (flare) from entering the lens by extending and shading the end of the lens. In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact. Screw-mount lens hoods, such as this 58mm, are designed to screw right into your lens or filter. Rear locking ring allows the user to rotate the hood in 360direction.This hood is Also compatible with the following Canon Lenses:18-55mm55-250mm70-300mm f/4.5-5.6 DO IS USM Lens75-300mm100-300mmEF 24mm f/2.824mm f/2.8 IS28mm f/1.850mm f/1.485mm f/1.8100mm f/2.0EF 100mm f/2.8 Telephoto