Andoer ET-60II Flower Lens Hood for Canon EF 75-300MM F/4-5.6 III EF-S 55-250mm f/4-5.6 IS Flower shaped design reduces vignetting effect. Effectively eliminates unwanted flare. Prevent glare by stopping light from coming into the lens at side angles. Improves contrast and image quality. Protect your lens from minor impact.