Fader ND Filter Prevent strong over-exposed pictures ND2,ND4,ND8 37,43,46,49,52,55,58,62,67,72,77,82mm ND Camera FilterMaterial: Aluminium ring and ResinDescription:ND filter can be used to prevent strong over-exposed pictures, even when using a slow shutter speed.It's perfect for shooting in heavily-lit settings or for extended exposure shots. Fader ND Filter