The Urth 55mm ND64 1000 (6 10 Stop) Variable ND Lens Filter is a high-quality neutral density filter designed specifically for photographers and videographers seeking precise control over their exposure. With a filter strength of ND1000, this filter allows for a reduction in light transmission of up to 10 stops, making it ideal for creating creative effects in bright lighting conditions. The screw-on filter has a diameter of 55 millimeters and can be easily mounted onto the lens. Thanks to its variable ND function, users can adjust the density of the filter to achieve the desired exposure without compromising image quality. This filter is particularly useful for long exposures to create motion blur or to reduce reflections and overexposure in bright environments. The Urth ND filter is a valuable addition to any photography or videography kit, offering versatile applications for creative projects.