Description Minimize Internal Reflections and Flare Compact Folding Design Matte Black Rubber with Grooved Surface For Normal and Short Zoom Lenses The B W 49mm #900 Rubber Lens Hood is a screw-in type folding rubber lens hood that is designed for use with normal-length and short zoom lenses. It helps to minimize stray light from reaching the lens in order to prevent flare and ghosting. The matte black grooved surface diminishes inner reflections and the rubberized construction adds an extra layer of protection to the lens against bumps or jolts. Helps to reduce stray light from reaching lens. Folding design is compact and portable. Designed for use with normal-length and short zoom lenses. Packaging Info Package Weight 0.1 lb Box Dimensions (LxWxH) 4.0 x 3.9 x 0.9″ In the Box B W 49mm #900 Rubber Lens Hood Limited 10-Year Warranty All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.