Full spectrum solid neutral density filter reducing the amount of light entering the lens. Allows shooting at wider apertures or reduced shutter speed. Pure neutral color with consistent color across the entire FS ND range for capturing true-to-life images. Optical glass with precise flat and parallel surfaces guarantees sharpness. Exceptionally accurate and consistent exposure control. Eliminates IR pollution on any camera. Titanium coating for long filter life. Hydrophobic and oleophobic coating for easy and fast cleaning. Cutting-edge anti-reflective coating minimizes flare and preserves overall contrast. Optical properties are permanently stable and will not fade over time.