NiSi 46mm Natural Night Filter (Light Pollution Filter)

The NiSi 46mm Natural Night Filter is specifically designed for night photography and astrophotography, reducing light pollution caused by artificial lighting. Crafted from high-quality precision-annealed optical glass with a finely ground and polished surface, this filter delivers exceptional sharpness even with ultra-high megapixel cameras. The advanced NANO Coating technology features double-sided multi-layer protection that minimizes ghosting and flare whilst repelling water and oil for effortless cleaning and scratch resistance. With approximately 1 stop of light reduction, this filter blocks the most common wavelengths of light pollution from mercury-vapour lamps, sodium-vapour lamps, and low CRI LED streetlights, helping reveal stars and astronomical details obscured by urban skyglow.

• Blocks yellow wavelengths from sodium, mercury vapour, and low CRI LED light sources
• Approximately 1 stop light reduction for balanced exposure
• Premium optical glass construction with finely ground and polished surfaces
• Double-sided NANO Coating for waterproof, oil-resistant, and scratch-resistant performance
• Ideal for astrophotography, nightscapes, and city night photography