GREEN.L 16-Layer Multi-Coated Neutral Density ND16 Filter For DJI Phantom 3 4K, DJI Phantom 3 Standard, DJI Phantom 3 Advanced, DJI Phantom 3 Pro, Phantom 4 Quad-copters Specifically made for the DJI Phantom 3 Professional, Advanced, Standard, DJI Phantom 3 4K, DJI Phantom 4 ND filter (Neutral Density) reduces the amount of light reaching the film without affecting the color. Can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Push-on design for easy installation and removal (MC-16)16 layer waterproof green coating optical glass, better transmittance and clarity, helps to avoid oxidation