Soft Highlight Flares, Lowered Contrast: This black diffusion 1/4 filter for Osmo Action 5 Pro/Osmo Action 4 could soften facial skin's wrinkles, freckles, and pores, making it more delicate, plump, and gorgeous. The mist film effect can be better realized, showing the film effects dreamily Imported AGC Optical Glass: Each filter made by imported AGC optical glass, with no effect on the image quality, ensures the restoration of the image's actual color 28 Multi-Layer Coatings: Multi-coated filter utmost reduce the glaring and flares, waterproof, scratch-resistant, dustproof, and oil-proof, protecting your action camera lens from all-rounds Lightweight & Secure Attach: These filters have undergone rigorous weight testing to ensure they won't compromise the action camera performance. Capture your shots worry-free while maintaining the movement's stability Screw In Fit: The filter fits perfectly with the lens base of the camera body and can be screwed in by rotating, easy to install/remove