inFOV J-31FG W Fusion Night Vision and Thermal Imaging Goggles – an advanced night observation system
The J-31FG Fusion Goggles are a professional night observation device that combines advanced night vision and Fusion thermal imaging technologies, designed for users who demand maximum performance during nighttime operations. By integrating a high-performance image intensifier with a modern 640×512 px thermal sensor, the system enables rapid detection and reliable identification of targets in complete darkness, dense fog, smoke, and adverse weather conditions such as rain.
Dual-Band Fusion technology operating in Pulse Mode combines a natural night vision image with thermal imaging data, significantly enhancing target detection and situational awareness. The operator can choose between two thermal display modes:
High Light – highlights the entire heat source,
Outline – displays only the contours of detected objects.
This advanced Fusion technology improves target detection while preserving the clarity and natural appearance of the night vision image, allowing users to identify heat signatures without obstructing the analog night vision view.
Maximum Performance During Night Operations
The J-31FG Fusion is equipped with an integrated IR (infrared) illuminator, enabling operation in completely dark environments such as windowless buildings, tunnels, or underground facilities where no natural light is available. The device also features a video output, allowing connection to an external recorder or monitor for live viewing and mission recording.
Thanks to their compact design and lightweight construction, the J-31FG Fusion Goggles are ideal for dynamic operations, patrol missions, surveillance, reconnaissance, and special operations where mobility, comfort, and reliability are essential.
Advanced Tactical Features
The integrated HUD (Head-Up Display) provides essential information directly within the user’s field of view, including:
- electronic compass,
- GPS/GLONASS coordinates,
- altitude,
- local time and UTC,
- device status.
The Bright Source Protection system automatically safeguards the image intensifier against damage caused by exposure to intense light. In addition, the Individual Pod Shut-Off function automatically turns off the displays when the optical pods are flipped up, helping maintain light discipline and reduce the device’s visual signature during tactical operations.
Comfort of use
The J-31FG Fusion offers full interpupillary distance (IPD) adjustment, diopter correction, and advanced image calibration, including parallax and optical aberration correction. These features ensure a natural, well-aligned image while significantly reducing eye strain, even during extended periods of continuous use.
The focus range from 25 cm (9.8 in) to infinity allows users to comfortably read maps, operate equipment, and perform close-range tasks, while also providing clear observation and target identification at extended distances.
Key Features
- fusion technology combining night vision and thermal imaging,
- 640 × 512 px / 12 μm thermal sensor
- High Light and Outline thermal display modes,
- Pulse Mode technology for enhanced target detection,
- Integrated IR (infrared) illuminator,
- integrated GPS/GLONASS navigation module,
- electronic compass,
- integrated HUD (Head-Up Display),
- automatic bright light protection,
- automatic shut-off when the optical pods are flipped up,
- video output,
- compact and rugged construction,
- up to 80 hours of operation in night vision mode and up to 8 hours in Fusion mode.








