The 3 GND filters kit for Medium 84mm size is composed of a GND2 (1 f.stop), GND4 (2 f.stops) a GND8 soft (3 f.stops) and a microfiber.Graduated Neutral Density (ND) Filters allow to reduce the amount of light reaching the sensor on a portion of your pictures so that you can reduce shutter speed and get some motion effect. By rotating the filter-holder you can place its effect, by sliding it up and down you can setup its intensity so that you can balance your exposure correctly. The Filter-Holder is included in the kit.
