For Insta360 Ace Ace Pro STARTRC 4 in 1 PL ND8 ND16 ND32 Camera Lens Filter (Black) Features 1. A set of filters for Insta360 Ace Ace Pro, with multi-layer coating, waterproof, scratch-proof, dust-proof and oil-proof, protecting your Ace Ace Pro lens from all-round damage. Meet the dual needs of ND filter and PL polarized lens, and choose from a variety of filter effects when shooting, including ND81632 and PL filter. 2. Each filter is made of high-definition optical glass, which has no effect on image quality. After multiple grinding and polishing, it forms a low refractive index to ensure the restoration of the true color of the image to achieve color-accurate photo shooting. 3. The aviation-grade aluminum frame is laser-engraved with a matte black finish to prevent light leakage or ghosting, ensuring that each filter has been rigorously tested; lightweight design, no burden on shooting. 4. The sleeve design is safer and quick to install, and can be tightly fixed on the Ace Ace Pro during shooting, with zero possibility of loosening. 5. Equipped with a special set of 4 filter boxes, which is convenient for storage and protects the filters. It is easy to carry and replace the filters you want at any time. Package List 1. PL polarizing filter x 1 2. ND8 x 1 3. ND16 x 1 4. ND32 x 1 5. Cleaning cloth x 1 6. Color box x 1