Sirui 82mm Variable Neutral Density 0.3 to 2.4 Filter 1 to 8-Stop, NDX82A

• Key Features • Variable 0.3-2.4 Neutral Density Filter • Reduce Exposure by 1-8 Stops • Darkens Entire Image • Greater Control over Exposure Settings • Reduce Shutter Speeds, Widen Apertures • Schott B270 Glass Construction • Multi-Coated • Water, Oil, Static & Scratch Resistant Variable neutral density filter allows you to apply differing amounts of density from scene to scene 0.3 to 2.4 density filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required Providing an exposure reduction of 1 to 8 stops, this filter allows you to control depth of field and convey movement more easily Offers increased flexibility to use specific ISO settings or ISO films under bright ambient light Provides increased exposure flexibility while using cinema or video cameras within a designated film frame rate Constructed from Schott B270 glass for increased optical clarity as well as color fidelity Multi-coated to prevent internal ghosting and reflections Coated for oil, static, dirt, as well as scratch resistance and provides an improved beading effect with water for more efficient cleaning Aluminum alloy filter ring for durability while remaining lightweight