Segolike Zomei Ultra Slim ND2-400 Fader Variable ND Filter for Dynamic Screen Falls 67mm Description:Double anti-reflective coating, only 7mm thickness ultra thin frameAllows for variable light reduction from between 2-8 stops; protect your lens from dust and scratchesDecrease the depth of field by using wider apertures, which helps separate subjects from their backgroundNeutral density can be adjusted from ND2 to ND400Apply slow shutter speed under strong sunlight exposureSpecification:Large aperture is available to create depth of field easilySuitable for dynamic screen, waterfalls, streams, etcType: Fader ND FliterColor: BlackRotating: YesNeutral Density Grade: 2 - 400Diameter: Approx. 67mm / 2.64inchMaterial: Optical glassPackage Includes:1 Piece ND2-400 Filter