<p>1. The Rubber ring inside the frame effectively isolates water droplets and moisture, protecting your lens from damage in underwater, rainy, and humid environments.</p> <p>2. Each filter is made of high-definition optical glass, which has no impact on image quality. After multiple grinding and polishing, it forms a low refractive index to ensure the true color reproduction of the image and achieve accurate color photography.</p> <p>3. The aluminum frame is laser engraved with a matte finish, which has strong corrosion resistance and is not easily affected by factors such as humidity and oxidation.</p> <p>4. Set design, safer and faster installation, can be firmly fixed on For Insta360 ACE PRO 2 during shooting, with zero possibility of looseness.</p> <p>5. It is compact and lightweight, making travel burden-free.</p> <p>Note: This filter is only suitable for Ace pro2 cameras, please check the camera model before purchasing correctly, thank you!</p> <p>Specification:A:ND8 ND16 ND32 ND64</p> <p>Colour:Photo Color</p> <p>Material:Aluminum alloy + optical glass</p> <p>Package Contents:</p> <p>4 x Lens Filter(One each for ND8\/16\/32\/64)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>