Lens Hood (Bayonet) for 24-85mm f/2.8-4.0 D-AF and more about the AF-S VR Zoom-NIKKOR 24-120mm f/3.5-5.6G IF-ED Lens.Use of specifically engineered Nikon lens hoods is highly recommended.In less-than-ideal lighting conditions, the performance difference can be substantial.Flower-Type bayonet lens hood provided with select NIKKOR lenses.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.