The Urth 82mm ND8 128 (3 7 Stop) Variable ND Lens Filter is a high-quality screw filter designed specifically for photographers and videographers who seek precise control over the exposure of their shots. With a diameter of 82 millimeters, this filter is suitable for a variety of lenses and allows for the reduction of the amount of light hitting the sensor. The ND filter (Neutral Density) offers a variable density that enables exposure reduction of up to 7 stops. This is particularly useful in bright environments where overexposure must be avoided. The filter is ideal for long exposures to create motion blur or for use at wide apertures to achieve the desired depth of field effect. The filter's construction ensures high optical clarity and minimizes unwanted reflections, resulting in improved image quality. The Urth ND8 128 filter is therefore an essential tool for creative image makers looking to expand their photographic possibilities.