HOYA SQ100 Pro IRND16 (1,2) Grad S Filter

soft-graduated ND filter for balancing the luminosity of bright areas with the dark areas in the image. 0-4-stops light reduction. premium HD square filter series for long exposure shots designed to endure harsh conditions during travel and adventure IRND nano coating for both sides of the clear optical filter glass anti-reflection coating drastically minimizes the risk of random light reflections while increasing the light transmittance