For DJI Osmo Action 3, CPL, ND8, ND16 & ND32 Filters Included, 3 to 5 Stops of Light Reduction, Eliminate Polarized Light. Reduce exposure to cut down superfluous and undesirable light and eliminate reflections to emphasize the image contrast captured by your DJI Osmo Action 3 camera with this Circular Polarizer & ND Filter Set for DJI Osmo Action 3 from TELESIN. The kit comes with three neutral density filters (ND8 ND16 and ND32) and a Circular Polarizer (CPL) filter for enhancing the saturation of your image. Encased in a sturdy aluminum alloy frame the filters are very easy to mount as they simply screw on gently onto your camera lens. A protective silicone layer ensures secure mounting for each lens while minimizing any potential damage.The multilayer coating on the optical glass provides enhanced light transmission while reducing reflectivity. The CPL filter eliminates polarized light and enhances imaging so that blue skies look bluer and clear waters clearer. The ND filters bring different levels of stylization to your footage and provide three to five stops of light reduction depending on which level of ND you choose to mount.