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Monocular, generation 1, 2x, 24 lp/mmThe Sierra 2 is an ultra compact, lightweight and ergonomically designed night vision monocular-easily handled, stored and transported. The unit features a premium quality 1st generation image intensifier tube, a powerful infrared illuminator, a built-in 1/4"-20 tripod mount for more comfortable longterm observing, a weatherproof body and N-Vision's SLT lens coating technology. The special SLT lens treatment utilizes a blend of metal oxides and fluorides, improving light transition while reducing lens surface reflection. N-Vision is an understated producer of night vision monocoulars, binoculars & goggles. While others publish specifications claims which favor rare best-case scenarios attempting to gain market share, N-Vision instead prefers to let their products boast by virtue of their own design. They don't list a recognition/viewing range because there isn't a universally applied standard and thus the specification is practically meaningless. See full product specifications |