Lightweight design, the frame is light weight but strong, resistant and longer Super wide-angle lens can increase the horizontal by 25% without affecting the video and photo while maintaining the vertical viewing angles. design can be quickly disassembled and assembled with a twist and a pull, and the installation is firm, you can change the lens at any for time without missing any wonderful moments. Multi-layer coating film, water-proof, oil-proof, and scratch-resistant Adopts optical glass, premium lens grinding process, good physical and properties, making for image clearer.