1、Made from quality material, light-proof, improving your contrast and image quality of photos. 2、In the case of backlighting, side lighting or flash photography, it prevents the entry of non-image light and avoids smog. 3、In along-light, side-light photography, avoid surrounding scattered light entering the lens. 4、When lighting photography or night photography, you can avoid the surrounding interference light entering the lens. 5、It can prevent accidental damage to the lens, can prevent fingers from accidentally touching the lens surface, and can also protect lens from damaging by wind, rain and snow. Features: 1.Made from quality material, light-proof, improving your contrast and image quality of photos. 2.In the case of backlighting, side lighting or flash photography, it prevents the entry of non-image light and avoids smog. 3.In along-light, side-light photography, avoid surrounding scattered light entering the lens. 4.When lighting photography or night photography, you can avoid the surrounding interference light entering the lens. 5.It can prevent accidental damage to the lens, can prevent fingers from accidentally touching the lens surface, and can also protect lens from damaging by wind, rain and snow. Specification: Item type: camera lens hood Material: plastic Color: black Weight: Approx. 26g Fitment: For Canon 16-35mm F4L IS USM lens Hoods are widely used for backlight photography. However, if the distance of the light source is close, glare may still occur. At this time, the hood can be blocked by the hand on the side where the light source is located. Whether the glare is eliminated or not, it is necessary to observe clearly from the viewfinder. Packing List: 1 x Lens Hood (camera and other items are not included)