【Wide Compatibility】 CPL lens filter is specially designed for GoPro Hero11 Black / Hero11 Black mini / HERO10 Black / HERO9 Black.lens filter kit is crafted from aluminum alloy and optical tempered glass. | 【18 Multi-coated Glass】 Made with high-definition optical glass and premium 18-layer multi-coating, the filter is waterproof and scratch-resistant. It boasts a light transmission rate of over 99.5%, maintaining image quality. The ultra-thin glass frame design prevents vignetting, and reduces lens glare. | 【Enhance Color & Contrast】 CPL filter can reduce reflections from non-metallic surfaces like water and glass, thereby minimizing distracting light and enhancing the clarity and saturation of captured scenes, resulting in more authentic and dynamic photographs. By rotating the CPL filter, you can adjust its effect to achieve various visual outcomes. | 【Easy to Use】 To replace filters swiftly, unscrew the existing filter counterclockwise and then rotate the new filter clockwise. | 【Note】 The glass features a waterproof coating, making it hydrophobic. However, the entire filter cannot be used underwater. Polarizing filter can enhance the contrast, color saturation, and details of the image. Provide various creative effects by controlling the polarization direction of light. They are suitable for different types of photography such as landscapes, architecture, and portraits.