The CPL filter from K&F Concept is designed specifically for the Insta360 GO 3 action camera, featuring high-quality AGC optical glass for crystal-clear footage. With advanced 28-layer multi-coated glass and polarization adjustments, it enhances color saturation, reduces reflections, and ensures optimal image quality, delivering vivid and captivating scenic images. The filter is crafted with nanometer coatings for waterproof and scratch-resistant protection, maintaining a high transmittance of over 99.5%, and its ultra-thin frame design prevents vignetting.