3D glasses lens

Yu shadow Fresnel lens for 3D helmet advantages: 1, the original high-precision tooling to ensure clarity of the lens. 2, large size, no distortion amplification. No need to adjust the lens from the eye for all the people from saving tooling costs. 3, large-scale production, to ensure product consistency, and delivery time. 4, many international customer choice, quality assured. 5, professional optical designer to help you design, to ensure product optimization.