Premium AGC optical glass for sharp, clear images. This filter uses high-grade AGC glass and features a multi-layer waterproof coating on both sides to boost durability and performance. Adjustable ND value for full light control. The rotating ring provides easy adjustment from 1 to 9 stops, giving you precise control over the amount of light entering the lens and enabling creative exposure options in a range of shooting conditions. Precise fit and broad compatibility. Engineered for a secure, reliable fit and compatible with all DSLR cameras, making it easy to capture stunning photos in any situation. Rugged protection for your gear. Built to endure with a robust, waterproof and dustproof design that protects the lens from scratches and environmental elements, helping to extend the life of your camera setup. Use scenarios - Bright daylight landscapes: use the ND to achieve longer exposures for silky water or cloud movement without overexposing the scene. - Outdoor video or time-lapse in sunny conditions: maintain proper exposure and achieve natural motion, even in bright light. - Portrait or street photography in strong light: keep a wider aperture for shallow depth of field while preventing overexposure with the ND filter.