B017ILUG1Q NiSi Nano IR ND 0.6 4×5.65 – Nano Infrared Neutral Density 0.6 Filter – 4 x 5.65 (Black)

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2 Stop infrared neutral Density filter
4 mm thick optical glass with precision cut, grinding, and polishing
Ultra low color shifting with anti-reflective coating
Water proof, scratch, and oil resistant
Optimized for shooting raw 6K digital images