Centurion Systems Defender 1x24 Gen 2+ Night Vision Goggles

Features: Lightweight. Bi-ocular design. Superior for extended surveillance. Automatic brightness control. Accommodated for prolonged wearing. US Army helmet mountable allowing for 'hands-free' operation. 75% of value based on US made components and technology. Interpupillary adjustment 55 to 76 mm. Protected against excess light exposure. Easy to operate. Integrated adjustable (75mW) IR illuminator with spot/flood focus knob (optional). Waterproof. Magnification: 1x. Field of view: 40º. Lens aperture: 25mm. Lens system: 26mm F/1.1. Focus range: 5" to infinity. Eye relief distance: 25mm. Diopter setting: D +2, -6. Weight: 17.4 ounces. Battery type/ feed voltage: (V) AA (two) / 3V. Battery life: hour up to 60. Image Intensifier: GEN II EU. Resolution, typical: (lp/mm) - 45-64. Photocathode sensitivity, typical, (uA/Lm) - 350-600. Signal to noise ratio: 17:1 or better. Tube reliability standard: 5000 hours. Warranty: 2 year. Detection range, approximately (m / yard ) quarter moon: 200 / 220, cloud cover: 125 / 140. Recognition range, approximately, (m / yard) quarter moon: 175 / 195, cloud cover: 100 / 110. Operating temperature, (°C / °F): -50 to +55 / -58 to +131. Storage temperature, (°C / °F): -40 to +50 / -40 to +122.