Tronixpro 55mm Pro Series Hard Tulip Lens Hood For Sony 55-200mm f/4.0-5.6 DT Alpha A-Mount Telephoto Zoom Lens, Sony DT 18-55mm f/3.5-5.6 SAM II 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 55mm Tulip Lens Hood