Night vision is one of the bells and whistles that's probably not destined to trickle down from the Audi A8, BMW 7 Series and Mercedes-Benz CL-Class anytime soon, but like most luxury features it ...

The AN/PSQ-20 Enhanced Night Vision Goggle (ENVG) provides increased capability by incorporating image intensification and long-wave infrared sensors into a single, helmet-mounted passive device.