Want to protect your lens from scratches and impacts? This Lens Hood is a good idea! It is the real professional lens hood you need really. This Lens Hood is designed to prevent glare by stopping light from coming into the lens at side angles, and the main function of the Camera Lens Hood is to shade the lens from stray light, improving your contrast and image quality, whidch can protect lens from scratches and impacts. Added benefit of extra protection from accidental impact. Durable Lens Hood can assist in keeping moisture or wind-blown debris off the lens. Really a must have for you.