Nora Launches NVG-31N Head-Mounted Dual-Tube Night Vision Goggles for Superior Visibility in Extreme Low-Light Environments
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2026-06-29
Nora NVG-31N Head-Mounted Dual-Tube Night Vision Goggles deliver advanced low-light performance with enhanced clarity, stability, and precision for tactical and outdoor operations. Designed for hands-free head-mounted use, the NVG-31N provides superior visibility in extreme darkness, making it ideal for military, security, hunting, and professional surveillance applications. With dual-tube optical technology and rugged construction, it ensures reliable performance in demanding environments and improves situational awareness during night operations.
Nora has officially unveiled its latest advancement in low-light optical systems with the launch of the NVG-31N Head-Mounted Dual-Tube Night Vision Goggles, a next-generation device designed to deliver enhanced clarity, stability, and situational awareness in extreme darkness conditions.
The announcement marks a significant expansion in Nora’s tactical imaging portfolio, targeting professional users in defense, security, search-and-rescue, and specialized outdoor operations.
Advanced Dual-Tube Optical System
The NVG-31N features a dual-tube binocular configuration, enabling users to perceive depth and spatial orientation more effectively compared to monocular systems. The design improves target tracking, mobility judgment, and environmental awareness in near-total darkness.
Engineered for head-mounted deployment, the system is optimized for prolonged use, balancing optical performance with reduced operator fatigue.
Enhanced Low-Light Performance
According to the company, the NVG-31N is built to maximize visibility in extreme low-light and no-light environments, leveraging advanced image intensification technology to amplify ambient light.
Key performance priorities include:
- Improved target recognition in urban and wilderness environments
- Enhanced contrast in low-visibility conditions such as fog, smoke, or dense vegetation
- Stable image output under motion and rapid head movement
Tactical-Grade Ergonomics and Stability
The NVG-31N incorporates a reinforced head-mount interface designed for operational stability during dynamic movement. The balanced structure reduces neck strain and improves long-duration wear comfort—an increasingly important requirement for modern field operators.
Its modular mounting compatibility allows integration with standard tactical helmets and support systems used across professional defense platforms.
Expanding Demand for Night Vision Technology
Industry analysts note that global demand for advanced night vision systems continues to rise, driven by modernization programs across defense and border security sectors. Dual-tube systems, in particular, are increasingly favored for their improved depth perception and operational reliability compared to single-channel devices.
Recent market trends indicate growing investment in:
- Lightweight binocular NVG systems
- Fusion imaging (night vision + thermal overlays)
- Wider field-of-view optical designs
Positioning in the Next-Generation Optics Market
With the NVG-31N, Nora positions itself within the competitive high-performance night vision segment, where leading manufacturers are focusing on combining compact design with high-resolution image intensification and enhanced environmental adaptability.
The company stated that the NVG-31N is intended to meet “professional-grade requirements for sustained field operations in the most demanding visibility conditions.”
Outlook
As night operations become increasingly central to both defense and civilian security strategies, systems like the NVG-31N reflect a broader shift toward lighter, more efficient, and more capable head-mounted optical technologies.
Nora is expected to continue expanding its NVG product line, with further developments likely to focus on fusion imaging and extended field-of-view systems.
Technical Specifications
| Model | NVG-31N |
| Configuration | Articulating Dual-Tube Binocular Design |
| Flip-Up Detection | Automatic shut-off when flipped to the side; automatic shut-off when flipped up (optional) |
| Power Supply | 1 × CR123 lithium battery / External battery pack (4 × CR123) |
| Operating Voltage | 2.6–4.2 V |
| Mounting Method | Head-mounted (Standard U.S.-style helmet interface) |
| Control Modes | ON / IR / AUTO |
| Power Consumption | < 0.1 W |
| Battery Capacity | 800–3200 mAh |
| Battery Life | 40–100 hours |
| Optical Magnification | 1× |
| Field of View (FOV) | 50° ± 2° |
| Optical Axis Parallelism | < 0.1° |
| Image Intensifier | Gen 2+ / Gen 3 Image Intensifier Tube |
| Objective Lens | F1.18, 22.5 mm |
| Optical MTF | 120 lp/mm |
| Optical Distortion | < 1% |
| Relative Illumination | > 75% |
| Lens Coating | Ultra-Wideband Multi-Layer Anti-Reflective Coating |
| Focus Range | 250 mm – ∞ |
| Focus Adjustment | Manual |
| Eye Relief | 30 mm |
| Exit Pupil Diameter | 8 mm |
| Diopter Adjustment | 0 diopter (±5 diopters optional) |
| Interpupillary Distance (IPD) Adjustment | Continuously Adjustable |
| IPD Adjustment Range | 50–80 mm |
| IPD Locking | Manual Lock |
| IR Illuminator | 850 nm, 20 mW |
| Operating Temperature | –40°C to +55°C |
| Humidity Range | 5%–95% |
| Ingress Protection | IP65 / IP67 |
| Dimensions | Folded: 115 × 105 × 85 mm |
| Expanded: 115 × 178 × 58 mm | |
| Weight (Without Battery) | 523 g |


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