【Compatible】K&F Concept CPL + ND 8 + ND 16 + ND 32 + ND64 + ND1000 Lens Filter Kit, precisely engineered for GoPro Hero 11 Hero 10 Hero 9 Black camera. | 【Multi-Coated Top AGC Optical Glass】Made with high-grade imported AGC optical glass, no color shift, high-definition glass provides crystal clear footage, and the precise machine tooling ensures a secure fit. Both glass with nanometer coatings, features waterproof, scratch-resistant, and high transmittance of over 99.5% does not reduce image quality. 【Note】: The glass adopts waterproof coating, the whole filter cannot be used underwater | 【ND Filter】The K&F Concept ND4, ND8, ND16, ND64, and ND1000 neutral density filters reduce lens exposure by 2, 3,4, 6, and 10 stops respectively. With this filter kit, you can easily handle a variety of lighting conditions from cloudy days to bright sunny days. | 【Enhance Color & Contrast】CPL Filters eliminated non-metallic surface reflections such as water and glass, and enhance the color and contrast, creating deep, rich scenic images. | 【Easy to Use】Rotate and Unscrew the original filter, then align the angle and rotate locking the filter after the buckle is hooked. This filter kit helps to get crystal clear pictures and videos efficiently during running climbing, cycling, skydiving, etc.