The Urth 39mm ND8 (3 Stop) 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 diameter of 39 millimeters, this neutral density filter is ideal for a variety of lenses and allows for a reduction of the light hitting the sensor by three stops. This is particularly useful in bright environments where overexposure should be avoided. The ND8 filter helps achieve longer exposure times, enabling creative effects such as motion blur in water or clouds. Additionally, it allows for a wider aperture to achieve a shallower depth of field, enhancing the focus on the main subject. The filter is made from durable materials to ensure a long lifespan while maintaining image quality. With the Urth 39mm ND8 lens filter, users gain a versatile tool that expands their creative possibilities in photography and videography.