Tronixpro 62mm Pro Series Hard Tulip Lens Hood For Pentax SMC DA 18-135mm F/3.5-5.6 ED AL (IF) DC WR Lens, Pentax Zoom Telephoto 60-250mm f/4 ED DA SDM Autofocus 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 62mm Tulip Lens Hood