Fotga Slim Fader Variable ND Filter Adjustable ND2 to ND400 82mm Neutral Density Optical Glass for Camera Lens

["Slim profile design. Thin filters are essential for avoiding vignetting when shooting at wider angles.","Neutral density can be adjusted from ND2 to ND400. It is easy to create different neutral densities by rotating the ring 2-8 stops.","Apply slow shutter speed under strong sunlight exposure","Large aperture is available to create depth of field easily","Index marks on the edge of filter for exact adjustment"]