Features: Capture stunning moments with the aluminum frame filter, featuring high-resolution image processing and precisely polished optical glass. Experience true colors with the double-sided multi-layer coating technique, offering realistic color reproduction. This filter is designed for GO3/GO2 users and is perfect for photography enthusiasts and professionals. Regardless of whether you're photographing indoors or outdoors, the lens filter provides reliable protection and light adjustment; Only UV filters can transmit 98.5% of light, while CPL/NDPL filters cannot be represented by transmittance; Only CPL filters can be adjusted, and other filters cannot be adjusted; CPL filters are not waterproof, ND/UV are waterproof—please note before purchasing. Specifications: Material: aluminum alloy + optical glass Accessory type: UV,CPL,ND8,ND16,ND32,ND8+ND16+ND32+ND64 Set; For GO3/GO2 camera; Note: Allow 1-2 cm tolerance due to manual measurement—please ensure you have no objections before ordering. Due to differences between screens, the image may not reflect the actual color of the object.