GREEN.L 16-Layer Multi-Coated Neutral Density ND Fader Adjustable Filter ND2-ND400 DJI Phantom3 Professional Advanced DJI filter ND filter (Neutral Density) reduces the amount of light reaching the film without affecting the color. The ND Fader is a compact all-in-one variable neutral density fader filter that adjusts the amount of light reduction with just the twist of your wrist. Can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for portraiture and outdoor scenes. (MC-16)16 layer waterproof green coating optical glass, better transmittance and clarity, helps to avoid oxidation