GEPULY 4 Pack Camera Lens Filter CPL ND16 Red Magenta Filters for GoPro Hero 13 12 11 10 9, Neutral Density Circular Polarizing Kit Protector 9 Black

NOTE:ONLY compatible with GoPro Hero 13/12/11/10/9 Black camera lens.It does not fit other camera models. CPL Filter:Mainly used to eliminate polarized light, increase color concentration, deepen the blue sky, highlight white clouds, and eliminate reflected light from non-metallic surfaces such as glass or water. It can also reduce the soft focus caused by atmospheric fog in landscape lighting, but does not change the overall color balance of the picture. ND16 Filter:Neutral Density filter reduce light to decrease chance of overexposure, Polarizer filter increase contrast while eliminating reflection and glare. ND16 allows 1/16 of the light to pass through, which is about 4 shutter speeds. Reduce the shutter speed from 1/400 to approximately 1/25 with the same aperture sensitivity. The main function of color filters is to repair images and change their style. Magenta filter is used for green water, red filter for shallow water. What You Get: CPL, ND16, Red, Magenta filters, 4x safty tethers, 1x cleaning cloth, along with hard plastic protective case.