NiSi 180x210mm Nano IR Soft Graduated Neutral Density Filter – GND16 (1.2) – 4 Stop Brand_Fotopro providing protection to the lens

providing protection to the lens and polariser without having to unmount the adapters

46 inches) Optical Diameter 1000 mm (39

Dual Nasmyth Focus Ports

Specially designed for using with NiSi S5/S6 150mm System for Sigma 14mm f/1

Prevents the center column from collapsing suddenly

NiSi 180x210mm Nano IR Soft Graduated Neutral Density Filter – GND16 (1.2) – 4 Stop Brand_Fotopro providing protection to the lensTrue to life color, No color cast Perfect to balance the exposure when trees, buildings, mountains, and other elements protrude into the skyline Optical glass for high definition Waterproof and low reflection Nano Coating Compatible with the NiSi 180mm System The NiSi 180x210mm Nano IR Soft Graduated Neutral Density Filter GND16 (1. 2) 4 Stop is a rectangular filter that helps to darken specific areas of an image, such as bright skies while allowing