Sell Fotga 77mm Slim Fader Variable ND2 To ND400 Filter best price

77mm caliber size Features: Neutral Density (ND) filters can reduce the intensity of light without apprecily change's color. Traditionally speaking, ND filters have different f-stop reduction numbers and transmittance so generated can buy applied for different shooting conditions, such as assis portraiture, water falls, etc. Slim profile design. Thin filters are essential for avoiding vignetting when shooting at wider angles. Simply rotate the ring of this filter, it offers 2 to 8 stops added density. Apply slow shutter speed under strong sunlight exposure. Large aperture is available to create depth of field easily. Carry ONLY a single filter with the same capability with ND2, ND4, ND8 and ND400. The Fader ND filter is suggested to use with wide and standard lens to obtain the best performance. Image quality may drop when focal length above 200mm. It may not be suitable for wide angle lens 24mm ,35mm equivalent format film.