Neutral Density (ND) filters can reduce the intensity of light without appreciably changing its color. Traditionally speaking, ND filters have different f-stop reduction numbers and transmittance thus generated can be applied for different shooting conditions, such as 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.
Specification: Material: Optical Glass from Japan Back thread diameter (attach to lens): 77mm Front thread diameter (attach additional filter) Included: 1 x 77mm Fader ND Filter (ND2- ND400) With Original Box