Hoya gray filter ND 8 Pro digital 62 mm

Photographic lens filters - Neutral gray filter (ND) A fascinating fact about photographic lens filters is that neutral gray filters (ND) are designed to reduce the amount of light entering the camera lens without affecting the color or contrast of the image. Neutral gray filters (ND) are an essential tool for photographers, allowing them to achieve creative effects such as motion blur or using wider apertures in bright lighting.