Vello HN-1 Dedicated Lens Hood (52mm Screw-On) For Nikon 20-60mm f/3.5-5.5 IX, 24mm f/2.8 Ai, 24mm f/2.8 Ai-S, 24mm f/2.8 D AF, 28mm f/2 Ai, 28mm f/2 Ai-S, 35mm f/2.8 PC, and 35mm f/3.5 PC Lenses Limited 1-Year Warranty