This filter 10 stop fixed neutral density filter exposure correction, not variable.
【ND Filter Function】Reduce the amount of light by 10 stops, long-time exposure tool helps to achieve slow shutter speeds to be used on record objects movement such as waterfalls, presenting a silky smooth effect of flowing water.
【Premium Material 】This ND1000 lens filter made by import Japanese AGC optical glass, 0.2% reflectivity, no color cast; Aviation aluminum alloy frame, super slim and lightweight, avoiding vignetting on the wide-angle lens. Extra tough frame ensuring durability and jamming prevention.
【Nanometer Coatings】Hydrophobic, scratch-resistant, anti-reflective green coating, effectively prevents oil, fingerprint, scratch, protects the valued camera lens.
【28 Multi-Layer Coatings】Multi-Layer coated process suppresses ghosting, flare, and reflections, and increases light transmission; effectively reducing the light reflection of the surface, and improving image quality.
【Note】The 49mm fixed nd filter ONLY be used on 49mm lens, please verify your lens size before ordering, this number is always preceded by a “ø” (diameter) symbol.