Designed for the AF-S NIKKOR 18-35mm f/3.5-4.5G lens
Lens hoods are primarily intended to prevent unwanted stray light from entering the lens and causing flare. They also provide a degree of protection for the lens from accidental impact and from the elements.
Nikon official product
Description
The HB-66 Bayonet Lens Hood comes with the AF-S NIKKOR 18-35mm f/3.5-4.5G lens, and is designed to keep flare from entering the lens, when shooting. It is also available as a replacement item.
1x Lens Hood