Helps to reduce stray light which can cause flare.
Optional bayonet lens hood for select NIKKOR lenses.
Use of specifically engineered Nikon lens hoods is highly recommended.
By reducing the amount of non-essential light falling onto the front lens element, lenses can better achieve their optimum optical performance, producing more saturated images.
In less-than-ideal lighting conditions, the performance difference can be substantial.
AF-S NIKKOR 85mm f/1.4G