Elevate your nocturnal photography with the NiSi Natural Night Filter.Amidst the interference of mercury vapor, sodium, and low CRI streetlights, undesirable light wavelengths can contaminate the purity of your night sky shots. The Natural Night Filter, a discerning bluish filter, is meticulously designed to block the most prevalent wavelengths of light pollution. Tailored for night scenes, nocturnal street photography, and astrophotography, this filter empowers you to capture the essence of the night with clarity.Optimize your urban photography using the Natural Night Filter by experimenting with daylight white balance. This technique not only facilitates insightful before-and-after comparisons but also enhances the vibrancy of city lights, bringing out captivating hues like blues and pinks.Crafted from premium, precision-annealed optical glass, the circular Natural Night Filter is engineered to meet the demands of today's ultra-high megapixel cameras. The glass surface undergoes meticulous grinding and polishing to ensure sharpness, while NiSi's proprietary Nano coating technology is applied on both sides. This Nano coating not only minimizes reflections in your images but also bestows a waterproof, oil-proof, and scratch-resistant layer to the filter, safeguarding your camera's front element. The result is a filter that not only delivers exceptional image quality but is also easy to maintain, making it ideal for photographers on the move.Encased in a robust brass circular frame, the Natural Night Filter ensures durability and guards against jamming or binding, offering reliability in various shooting conditions. Step into the night with confidence, capturing the beauty of the nocturnal world with the NiSi Natural Night Filter.