The coolest part of this being, it doesn't have any lens, lens is replaced by a head-up display. A head-up display or heads-up display—also known as a HUD—is a

The coolest part of this being, it doesn't have any lens, lens is replaced by a head-up display. A head-up display or heads-up display—also known as a HUD—is any transparent display that presents data without requiring users to look away from their usual viewpoints. http://en.wikipedia.org/wiki/Head-up_display http://en.wikipedia.org/wiki/Head-up_display