DatabaseImagingLens AccessoriesFilters77mm QuartzLine ND100K (16.6-Stop) FilterPolarPro 77mm QuartzLine ND100K (16.6-Stop) FilterPolarPro$99.99 MSRPKey FeaturesNeutral Density FilterRound Screw-In Format77mm Filter Thread77mm Front Thread16.6-Stop (ND100K) Neutral Density16-Layer Multi-Coating+ Compare🔒 Log in to add this to a kit.OverviewSpecificationsThe ArchiveKey GripSpecificationsMetricUSFilter CategoryFilter TypeNeutral DensityFilter ShapeRoundPhysical AttributesFilter Size77mmFront Accessory Thread77mmRing MaterialAluminumFilter MaterialGlassMagneticNoExposure ControlND TypeStandardDensity16.6-Stop (ND100K)Protection and Polarizing AttributesCoating16-Layer Multi-Coating