The Urth 37mm ND64 1000 (6 10 Stop) Variable ND Lens Filter is a high-quality screw filter specifically designed for photographers and videographers who seek precise control over the exposure of their shots. With a filter strength of ND1000, this neutral density 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 filter has a diameter of 37 millimeters, making it suitable for a variety of lenses. It is excellent for long exposures to create motion blur or to open the aperture in daylight without risking overexposed images. The variable ND function allows for flexible adjustment of light transmission, providing high versatility in application. The Urth ND filter is a valuable addition to any photo or video gear and supports creative expression in image composition.