NiSi 77mm Swift VND Mist Kit with Variable Neutral Density Filter and Wide Exposure OptionsThe NiSi Swift VND Mist Kit to True Color 1 to 5 stop VND, 4 Stop ND plus Black Mist 1 4 is the perfect choice for photographers who want greater control over their exposure settings. With a variable neutral density filter, this kit offers a wide range of exposure options, from 1 to 9 stops. The True Color 1 5 stop VND filter ensures that your images will avoid the color shift that can occur with other variable filters. The exposure range control