【Premium Material】- Made from quality material, light-proof, improving your contrast and image quality of photos. 【Block Non-image & Smog】- In the case of backlighting, side lighting or flash photography, it prevents the entry of non-image light and avoids smog. 【Block Scattered Light】- In along-light, side-light photography, avoid surrounding scattered light entering the lens. 【Night Photography】- When lighting photography or night photography, you can avoid the surrounding interference light entering the lens. Camera Lens】- 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.