NiSi 72mm Natural Night Filter (Light Pollution Filter)
Key Features
The NiSi 72mm Natural Night Filter is a light pollution filter built for night and astrophotographers who want to block the mercury vapor, sodium, and low-CRI streetlight wavelengths that wash out night-sky images. Precision-annealed optical glass and NiSi's Nano coating keep the filter sharp and easy to clean in the field.
- Blocks Common Light Pollution: Blocks the most common wavelengths from mercury vapor, sodium, and low-CRI streetlights that degrade night images.
- Precision-Annealed Optical Glass: Ground and polished for sharpness on today's ultra-high-megapixel cameras.
- NiSi Nano Coating: A multi-layer coating reduces surface reflection to help with ghosting and flare without losing sharpness.
- Easy-Clean Protective Layer: The coating makes it easy to wipe off water, dust, and oil without worrying about scratching the glass.
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