Morovision's AN/PVS-31 3rd Gen Dual-Tube Night Vision Goggle is designed and built to provide users with a compact and comfortable NVD that can be worn for extended periods without causing excessive fatigue while preserving situational awareness. The twin Exelis 3rd Gen MX-11769 thin-filmed intensifier tubes feature a maximum resolution of 64 lp/mm with a 16.2-21 dB signal-to-noise ratio that provide improved night vision over 2nd Gen tubes. Its 1x magnification 18mm f/1.2 objectives provide a wide 40° angle of view with a very close focus of just 18".