NiSi 3-Stop Glass Filter for the P1 Filter Holder

Featuring an ND0.9 reduction in light and compatible with their P1 filter holder, the 3-Stop Glass Filter from NiSi is a neutral density filter that is built from high-quality optical glass and gives a minimal color cast. Thanks to its double-sided construction and multi-layer nano coating filter, it is waterproof and oil-/scratch-resistant.