For GoPro HERO13 Black STARTRC Quick Release 4 in 1 ND8 ND16 ND32 CPL Lens FilterFeatures 1. A set of filters that are very suitable for GoPro HERO13, with multi layer coating, waterproof, scratch resistant, dust proof and oil proof, protecting your HERO13 lens from all round damage. It meets the dual needs of ND filter and CPL polarized lens, and you can choose a variety of filter effects when shooting, including ND 8 16 32 and CPL filter. 2. Each filter is made of high definition optical glass, which has no effect on image