Nikon HB-81 Lens HoodProduct Description: For AF P DX 10 20mm f 4. 5 5. 6G VR Lens Blocks Stray Light from Entering Lens Protects Lens from Impact Spare or Replacement Item Dedicated to the Nikon AF P DX NIKKOR 10 20mm f 4. 5 5. 6G VR lens, the HB 81 Lens Hood helps to minimize flare by deflecting stray light from entering the lens. The hood also provides additional protection to the lens from accidental impacts, bumps, or scratching. It is offered here as a spare or