Nisi 150x170mm ND8 (0.9) – 3 Stop Reverse Nano IR Graduated Neutral Density Filter

This Nano Hard-Edge Reverse-Graduated IRND 0.9 to 0.15 Filter from NiSi is compatible with filter holders that can accommodate 2mm-thick, 150 x 170mm rectangular filters. It can be applied to darken bright skies, specifically during a sunrise or sunset, while allowing for a normal, unaffected exposure in the other regions of the image