- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LED's
The NiSi 4 x 5.65" Natural-Night Cinema Filter is designed to reduce the appearance of light pollution in video or images 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.