PC impact resistance space lenses, which is widely used in aviation equipment of a kind of advanced material, is the world's most shockproof lens, it can prevent the harm to eyes when lens broken in motion. It is also the world's most thin lenses, super light, high temperature resistance, high optical transparency, resistance to impact and low birefringence, UV protection and so on; 12 times resistance to impact that of the resin lenses, 60 times of glass lenses, can effectively cut off ultraviolet rays, 100% UV resistance, early is widely used in aircraft, bulletproof glass, the astronauts mask purposes.