Tronixpro 52mm Pro Series Soft Rubber Lens Hood For Nikon 40mm f/2.8G AF-S DX Micro-Nikkor Lens, Nikon AF-S Nikkor 35mm f/1.8G DX Lens, Nikon AF-S DX VR Zoom-Nikkor 55-200mm f/4-5.6G IF-ED 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 Soft Rubber Lens Hood