Zomei Adjustable 37mm Neutral Density Clip on ND 2 400 Phone Camera Filter Lens for iPhone Samsung HTC Huawei Android IOS Description This Fader ND is a compact all in one variable neutral density filter that adjusts the amount of light reduction with just the twist of your wrist The index marks on the filter let you know exactly the amount of reduction at a glance Giving you clear and precise shots at whichever density you are using It is able to adjust neutral density freely from ND2 to ND400 You only need to carry one single filter with the same capability with ND2 ND4 ND8 ND16 ND32 and ND400 It offers you the freedom the create different neutral density freely Features Neutral density can be adjusted from ND2 1 f stop to ND400 8 f stops by rotating the front ring Ultra slim frame only 7mm thicknessHigh quality AGC Optical GlassApply slow shutter speed under strong sunlight exposure Large aperture is available to create depth of field easily Suitable for dynamic screen waterfalls streams waves etc Index marks on the edge of filter for exact adjustment All Materials Used Meet the Requirements of European Unions standard ROHS Restrictions on Hazardous Substances Specifications Type Fader NDColor BlackRotating YesNeutral Density Grade 2 400Material High Quality Optical Glass Aluminum AlloyPackage Included 1x ND Filter1 x ClipDetail Pictures