JJC Lens Hood for Nikon Nikkor 55-200mm f/4-5.6G ED AF-S VR DX Zoom-Nikkor (Replaces NIKON Lens Hood HB-37) Lens hood are primarily designed to stop light coming into the lens at extreme angles and being reflected inside the lens Material: Plastic Color: Black Anti-glare coating of the inner of hood for preventing the glare from getting into camera lens Lower the contrast of the image