NiSi True Color ND-Vario Pro Nano 1-5 Stops Variable ND Filter with Water-Resistant Body (86mm)The NiSi 86mm True Color ND Vario Pro Nano 1 5 Stops Variable ND Filter is an ideal tool for photographers who need to photograph in environments where the lighting conditions are dynamic or fluctuating, and require greater control over their shutter speed to achieve their desired look, whether it's capturing longer exposures or a shallower depth of field. Durable and Image Enhancing It is designed to mount onto lenses with 86mm front filter threads