Our Variable Nd2-400 Filter provides 1 to 8.66 f-stops of light reduction, giving you greater creative control in changing light.By blocking 1 to 8.66 f-stops, you can use wider apertures in variable light for shallower depth of field effects, and slower shutter speeds for long exposure effects without overexposing your images.Cinematographers can use our ND2-400 Variable ND Filter to create more cinematic effects in low and bright light.8-layer nano-coatingQuality protection, easier to cleanNo color castTrue colors1 to 8.66 f-stopsAnnotated rim for precise adjustmentsQualityQuality you can trustBetter depth of fieldBeautiful depth of field with wider aperturesLonger motion blurCut 1 to 8.66 f-stops for stronger long exposureMore cinematicSlow your shutter for a more cinematic lookJapanese Agc glassOur premium Japanese Agc optical glass is coated with an 8-layer nano-coating for excellent clarity and light transmittance, added protection and easier cleaning.