Freewell filter specifically designed for the GoPro HERO11, HERO10, and HERO9 models. Optical CPL filters (Circular Polarizing Filters) are known for reducing glare, enhancing color saturation and contrast, and increasing depth of field. They are particularly useful in landscape photography, where glare on water, leaves, or windows is common. The filter impresses with its high-quality craftsmanship and has passed a series of tests to confirm its safety for your devices. The set also includes a case for the filter. Ensure the high quality of your photos. This circular polarizing filter is designed to reduce reflected light from various surfaces while maintaining color neutrality. The lightweight CPL filter features a special coating that ensures optimal image quality, giving your photos even more depth.