NiSi 100x100mm Natural Night Filter (Light Pollution Filter)

NiSi 100x100mm Natural Night Filter (Light Pollution Filter) is designed to reduce the appearance of light pollution in images or video that include the night sky and illumination from artificial light sources. This effect can be obtained when this filter is used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected.