Feature: 1. Compatibility: CPL filter is specifically fit for Insta360 Ace Pro, the main function is to suppress highlights and shaded black contrast, reduce oversharpening in the focal area, and provide a soft image. 2. HD Coating: CPL filter features HD coatings, which make the filter surface oil resistant, waterproof, and scratch resistant. Keep filters on your lens to protect against dust, scratches, and bumps. 3. Aluminum Alloy Frame: The aluminum alloy frame features lightweight design, and will not affect ball head calibration, without blocking the lens angle of view, shooting without dark angle. 4. CPL Polarizer: CPL polarizer can eliminate reflections, increase color saturation, make the picture more transparent, improve the clarity and expressiveness of the picture, restore true colors, and make the sky bluer and the water clearer. 5. Compact and Portable: Lightweight filter accompanied by a protective case for secure storage. Easy to install without removing the lens, securely attached to the camera lens, preventing drops. Specification: Item Type: CPL Filter Material: Aluminum Alloy, Optical Glass Weight: Approx. 28g / 1oz Compatibility: for Insta360 Ace Pro Action Camera Installation Method: Clip on Package List: 1 x CPL Filter 1 x Storage Case