Optical Premium AGC Glass - Made with high quality optical AGC glass to deliver clear, sharp image quality. The dual sided multi layer waterproof coating enhances durability and performance in challenging conditions. - Adjustable ND value: A rotating ring provides easy control of the ND value from 1 to 9 stops, giving you full control over the amount of light entering the lens. Suitable for a wide range of shooting situations. - Precise fit and compatibility: Engineered for a secure fit. Compatible with all DSLR cameras, making it straightforward to capture stunning photos. - Protection: Rugged construction with a water and dust resistant design protects the lens from scratches and environmental elements, extending the life of your camera gear. Use scenarios - Landscape photography on bright days: Use the ND to maintain proper exposure while achieving longer shutter speeds for motion in water, clouds, or foliage. - Portraits in bright or backlit environments: Use the ND to keep aperture wide for shallow depth of field without overexposure. - Outdoor video or time lapse in harsh conditions: ND helps keep exposure consistent and color accurate while shooting in changing light.