Nikon HB-64 Bayonet Lens Hood is a petal shaped lens hood that is compatible with Nikkor 28mm f/1.8G Lens. Made fomr durable material, that snap into place on the lens or on a 67mm lens filter. The lens hood helps to reduce flare and deflect stray light from entering the lens. It also serves to protect your lens from accidental impact and bumps. The accessory relaces or offers as spare lens hood for Nikkor lens.