| The N-Vision Sierra 1 is a head mount night vision system with a built-in infrared illuminator. Lightweight and more comfortable to use than most other goggles in its class, Sierra 1 offers a flip-up lock mechanism allowing the a flexible way to instantly switch between night vision and conventional viewings. The control unit is conveniently located at the back of the head strap assembly, allowing for more balanced and comfortable hands-free wear. Precision optical elements provide an amazing 37° field of view with a focusing range from 9” to infinity. Additionally, a high-performance infrared illuminator could be gradually adjusted between intense narrow “beam” and wide angle “flood” modes. Sierra 1 is equipped with premium quality 1st generation dual intensifier tubes. In an easy to use, hands-free format, Sierra 1 is perfect for nighttime fly-fishing, hunting, trekking, boating and navigation. It also serves as an important night viewing solution for security and law enforcement professionals. Sierra 1 comes with head-strap assembly and soft-padded carrying bag. | 
