Zall Adjustable ND2 400 Filter $ 54.28 Specification: Product: 28-layer coating ultra-clear adjustable nd2-400 Adjustable gears: 9 gears (nd2-400) Glass material: Agc ultra-clear optical glass Frame material: Aviation grade aluminum alloy Frame thickness: 7.4mm (wide-angle 16mm without vignetting) Product function: Video shooting, long exposure shooting (virtual clouds and flowing water, crowded alleys, daytime traffic flow, combination of dynamic and static) Coating process: 28 layers of anti-mildew, anti-scratch, waterproof and oil-resistant nano-crystalline coating Fitting size: 37/40.5/43/46/49/52/55/58/62/67/72/77/82 mm Packing list: Nd filter*1
