JSR 6-in-1 Lens Filter for GoPro HERO9 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. CPL filters increases color saturation, creating deep, rich scenic images. Helps to reduce the amount of light entering the lens 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. Portable and durable, easy to install. 8. Lightweight, high transmittance and low reflectivity.