For Insta360 GO Ultra STARTRC Camera Lens Filter 1. Essential lens protection to prevent scratches and dust: During everyday shooting or outdoor environments, the UV filter effectively shields your camera lens from dust, fingerprints, splashes, and scratches, acting as your first line of defense. 2. High-definition optical glass: Made of high-transmittance optical glass, it delivers high light transmittance without compromising image sharpness and color reproduction, ensuring pristine imaging. 3. Multi-layer nano-coating: The lens surface is treated with multiple layers of waterproof, oil-repellent, and anti-fouling coatings, effectively reducing interference from reflected light and making cleaning easier. A simple wipe restores clarity. 4. Lightweight aircraft-grade aluminum alloy frame: The frame is durable and sturdy, while its lightweight design ensures minimal strain on your camera. Precision machining ensures a secure installation, preventing loosening or shifting. 5. Portable storage case: The custom filter storage case prevents secondary scratches during transport, making it easy to carry and change or store filters at any time. Features of different filters: 1. UV filter: Suitable for shooting in the seaside, mountains, snowfields and open areas, etc. It can reduce the blue tone caused by ultraviolet rays. At the same time, for the camera, it can also eliminate the interference of ultraviolet rays on the CCD, which helps to improve the effect of sharpness and color reproduction. 2. CPL Filters: Increases color saturation, creating deep, rich scenic images. Helps to reduce the amount of light entering the lens. 3. ND Filter: You can get more freedom to control aperture and shutter, bring more exposure methods and creative space for photography creation, and effectively prevent overexposure. The number behind ND represents the ability of the ND mirror to block light. 4. Black Mist 14 Soften harsh shadows: Use this black mist filter to soften harsh shadows, reduce unwanted re