Tronixpro 52mm Pro Series Hard Tulip Lens Hood For Nikon AF NIKKOR 20mm f/2.8D Lens, Nikon Wide Angle AF Nikkor 24mm f/2.8D Autofocus Lens, Nikon AF-S Nikkor 50mm f/1.8G Lens This lens hood prevents image-degrading lens flare by blocking stray light from striking the surface of the lens It protects lenses from expensive front element damage Protects the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles. Microfiber Cloth 52mm Tulip Lens Hood