The Urth 58mm 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 their exposure. With a diameter of 58 millimeters, this screw-on filter is easy to mount and suitable for a variety of lenses. The variable ND filter allows for flexible regulation of the amount of light hitting the sensor, which is particularly beneficial in bright environments. By adjusting the filter, creative effects can be achieved, such as creating motion blur with moving subjects or increasing the aperture for a shallower depth of field. The filter offers a density range from ND2 to ND400, corresponding to a reduction of light by up to 8.6 stops. This makes it a versatile tool for various photographic applications, from landscape photography to portraits. The Urth ND filter is a valuable addition to any photography kit.