Untitled document D-211 is the only Generation 1+ enhanced binocular equipped with a built-in photocell that protects the unit against bright light exposure. This system offers true dual-tube stereoscopic night vision capability in an ergonomic, easy to handle housing. Built-in IR illuminator, multi-coated optics and tripod mount offer the user a professional grade night vision system at entry-level pricing. Image Intensifier | Generation 1+ | Resolution (Center) | 40 lp/mm | Magnification | 3.2x | Lens System | 80mm f1.6 | FOV | 15˚ | @1000 yards | 860' | @1000 meters | 262 meters | Range of Focus | 10' to infinity 3m to infinity | Detection Range | 492' 150 meters | Recognition Range | 410' 125 meters | Diopter Adjustment | +4 to -4 | Weather Resistant | Yes | Camera/Camcorder Adaptable | No | IR Illuminator | Yes | Battery Type/Life | CR123 /20 hours | Dimensions | 7.6" x 6.4" x 3.8" 193mm x 163mm x 97mm | Weight | 38 oz 1.1 kg | Operating Temperature | -4° F to 113° F -20°C to +45°C | |