JSR KB Series STAR+MCUV+NIGHT+Diving Red+Diving Pink+ND8+ND16+ND32 Lens Filter for GoPro HERO13 Black 12 Black 11 Black 10 Black 9 Black 1. Protect your expensive lens from dust and scratch while not lowing your photo quality. 2. ND filters washed out photos & video due to bright sunlight for better contrast & rich color. Significantly reduce lens flare and ghosting while making the filter anti-scratch, reduce reflection, increase surface durability, water resistant, oil & dust resistant. 3.UV filters reduce haze and improve contrast to your video and digital images. Especially useful in areas of high altitude, snow, or beach, eliminating the undesirable blue cast. High level of transmittance. 5. Star filters create a star pattern, translate brightness of the sun, blinks of light on the water, reflections, etc. into a culturally readable image. Add some sparkle to your night shots, city skylines, street scenes, lamp posts, streetlights, car headlights, candle lights, and gaslights, any place there is sources of points of light 6. NIGHT filters can effectively reduce light pollution and make the picture show real color. Strictly chooses optical glass material to meet the requirements of high-definition painting quality 7. Pink filter: Use in about 1-5 meters of water,in blue waters can effectively restor the red light absorbed by water and correct color deviation. Red filter: The absorption of blue light can produce a romantic sky effect or daytime moonlight like effect, and has the function of absorbing ultraviolet rays. Shooting generally needs to increase exposure level three, the specific needs of shooting requirements. 8. Lightweight, high transmittance and low reflectivity. 9. Portable and durable, easy to install.