JSR Round Housing Diving 6 in 1 UV + CPL + 16X Macro + Red + Yellow + Purple Lens Filter for GoPro HERO8 Black 1. Made of metal and high transparency glass. 2. CPL lens removes unwanted reflections from non-metallic surfaces such as water or glass and glare from the sun. Increases color saturation, creating deep, rich scenic images. Helps to reduce the amount of light entering the lens. 3. UV lens reduce haze and improve contrast to your video and digital images by minimizing the amount of ultraviolet (UV) light. Especially useful in areas of high altitude, snow, or beach, eliminating the undesirable blue cast. 4. 16X Macro lens, increase the magnification of the object, more suitable for shooting plants and flowers or small insects. 5. Color Lens Filters: - 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 and - Yellow filter: Night swimming diving video, yellow filter is necessary, adjust the excellent searchlight region color effect - Purple filter: Use in about 5-25 meters of water can effectively reduce the color deviation of green plants 6. Protect your expensive lens from dust and scratch while not lowing your photo quality. 7. Portable and durable, easy to install.