The Urth 55mm ND2 400 (1 8.6 Stop) Variable ND Lens Filter is a high-quality neutral density filter designed specifically for photographers and videographers who seek precise control over their exposure. With a filter strength of ND400, this filter allows for a reduction of light by up to 8.6 stops, making it ideal for achieving creative effects in bright lighting conditions or for using longer exposure times. The screw filter has a diameter of 55 millimeters and can be easily mounted onto the lens. Its variable ND function enables users to flexibly adjust the amount of light hitting the sensor, providing high versatility in application. This filter is particularly useful for landscape and portrait photography, as well as for video recordings where even exposure and controlled depth of field are desired. The Urth ND filter is a valuable addition to any photo or video gear and supports creative expression in image composition.