Multi-coated, all-glass optics. Specification:. Total darkness IR system: Yes. SMART technology: No. Multi-purpose system: No. IIT Generation: CGT. Resolution: 45-54 lp/mm. Magnification: 8x. Lens system: F 160 mm. Proshield lens coating: Yes. FOV: 6.5°. Range of focus: 30 m/y to infinity. Diopter adjustment: -5 to +5. Controls: Digital. Automatic brightness control: Yes. Bright light cut-off: Yes. Automatic shut-off system: No. Infrared illuminator: Yes. IR indicator: Yes (in FOV). Low battery indicator: Yes (in FOV). Power supply: 1×1.5 V AA type battery or 1×3 V CR123A type battery. Battery life: 60 hours (20 hours w/IR illuminator). Environmental rating: Weather and fog resistant. MIL-STD-810: Complies. Operating temperature: -40 to +50 °C. Storage temperature: -50 to +70 °C. This product cannot be exported outside of the United States. 12.4 in. L x 4.3 in. W x 4.0 in. H (2.6 lbs.). 2-Years warranty. User Guide. Specification Sheet. The ATN NVB8x-CGT is a powerful Night Vision Binocular. The ATN NVB8x-CGT Night Vision Device is Weather and fog resistant and can withstand the rigors of almost any environment. The ATN NVB8x-CGT will give you the range and clarity that other Night Vision Binoculars simply can not touch.