Night vision binoculars of the NORTIS B series are very reliable night vision 2+/3 generation binoculars. They have optimum optical-mechanical and ergonomic design with a solid body made of light alloy. They have 3x – 6x optical magnification, overload protection, built-in infrared LED illumination, and the possibility of attaching an additional infrared laser illuminator. When using a 1X zoom lens, they can be attached to the head mask with straps.