This rotating lens hood is designed for digital cameras with either built-in or interchangeable zoom lenses. The hood protects against stray light reflection hitting the surface of the lens.FunctionThis item can inhibit stray light into the lens and eliminate the haze, improve the clarity of the imaging and colour reproduction.Prevent glare by stopping light from coming into the lens at side anglesImproves contrast and image qualityProtects lens from scratches and impactsYou can use lens cap and filter with the hood on a lensProtects lens from dirtIncrease transparency