1、Yellow Filter: Suitable for wheat waves, grassland, rape flower, gorgeous color, is one of the most important filters for photographic art creation. 2、Purple Filter: Corrects color deviation under fluorescent lamp, eliminates yellow and green reflected light. 3、Red Filter: It is suitable for enhancing the red tone in the picture, making the scene more vivid and layered. It is a powerful tool for shooting maple leaves, sunset, sunset clouds, burning clouds or desert and sand dunes in the evening. 4、Star Filter: Star filter is a luminous point as the center, produce a radiant effect by diffraction of light, this is a necessary effect lens for stage or night shooting, can play an extraordinary role in the picture. 5、UV Filter: UV filter can effectively protect the lens, filter and reduce the blue tone caused by ultraviolet light, which can improve picture quality. 6、CPL Filter: CPL is a commonly used filter that removes unnecessary reflections. It removes most reflections from non metallic and non spherical surfaces and is commonly used in landscape photography. When shooting the water, it can eliminate the reflection of the water, and shoot the scenery under the water, so that the whole picture is clearer and more transparent. 7、ND Filter: ND filter in strong light environment, can effectively prevent overexposure, resist scattered light, increase color saturation to make the picture more transparent and gorgeous, which can achieve fog stream, night light track and other large effects, and the number behind the ND filter on behalf of light reduction ability. 8、Hardened Layer Design: Filter adopts hardened layer design, scratch resistant and wear resistant, can effectively prevent mirror scratch. The inner side of the connecting frame is equipped with flexible silicone protective ring, which does not hurt the camera lens. Waterproof, anti fouling, anti oil, anti hydrophobic, and filter surface coating dredge layer is also easy to clean. Item Type: 52mm Camera Lens Filter Weight: Approx.100g / 3.5oz Material: Aluminum Alloy + Glass Model: UV, CPL, ND8, ND16, Diving Red, Diving Yellow, Diving Purple, Starlight 6 Lines Suitable Model: Suitable For HERO 9, 10 Filter Diameter: Approx.52mm / 2.0in 1 x ND Filter Kit (Adapter Ring + UV + CPL + ND8 + ND16 + Diving Red + Diving Yellow + Diving Purple + Starlight 6 Lines + Filter Cover)