1The hood can be buckled reversely and the inner wall of it is treated with matte finish to prevent reflection. 2For backlight, side light or flash light photography, it can prevent the entry of nonimaging light, avoid haze. 3In front light and side light photography, it can prevent the scattered light around from entering the lens. 4As for light photography or night photography, it can avoid surrounding interference light into the lens. 5It can prevent accidental damage to the lens, avoid touching the lens surface by mistake with fingers, and to some extent protect the lens from wind and sand, rain and snow. 6Light in weight, it is easy to carry and suitable for Nikon 18300mm F/56G ED VR Lens. 1 x LensHood Item Type: Lens Hood Material: ABSProduct Color: BlackProduct Weight: Approx. 29g / 1.0ozApplicable Lens: For Nikon 18300mm F/ 3.5 5.6G ED VR Lens.