The Urth 52mm ND2 400 (1 8.6 Stop) Variable ND Lens Filter is a high-quality neutral density filter specifically designed for photographers and videographers who seek precise control over the exposure of their shots. With a filter strength of ND400, this screw-on filter allows for a reduction of light by up to 8.6 stops, making it ideal for creating creative effects in bright lighting conditions or for achieving motion blur. The filter has a diameter of 52 millimeters and easily screws onto the lens, providing a user-friendly solution for various photographic applications. The variable ND filter offers the flexibility to adjust the amount of light as needed, making it an essential tool for anyone working with different lighting conditions. Whether for landscape photography, portraits, or video recording, this filter helps enhance image quality and expand creative possibilities.