A professional thermal fusion binocular with integrated laser rangefinder for long-range night observation, surveillance, and tactical target detection
The TFN TD70B is a professional multispectral fusion thermal binocular designed for long-range observation, target detection, and tactical night surveillance. Combining an uncooled thermal imaging sensor, low-light optical channel, and integrated 2500-meter laser rangefinder, the TD70B delivers reliable situational awareness in total darkness, fog, smoke, haze, and other challenging environments.
- Integrated 2500 m laser rangefinder
- Thermal imaging + low-light fusion observation
- Long-range target detection capability
- Reliable operation in fog, smoke, rain, and darkness
- Ergonomic binocular design for extended observation
- Multiple thermal color palettes for optimized visibility
- Portable system for tactical deployment and field patrol
Integrated 2500m Laser Rangefinder
The TD70B combines thermal imaging observation with precise laser ranging capability, allowing operators to determine target distance quickly during surveillance and reconnaissance tasks.
This integrated design improves:
- Long-range target positioning
- Tactical decision-making efficiency
- Observation accuracy in open terrain
- Threat assessment during night operations
The built-in laser rangefinder supports ranging distances up to 2500 meters, reducing reliance on separate handheld rangefinding equipment.
Multispectral Fusion Imaging Technology
The TD70B integrates a thermal imaging channel with a low-light optical system to provide enhanced target recognition and environmental awareness.
Fusion imaging allows users to:
- Detect concealed heat signatures
- Retain terrain and structural detail
- Improve target discrimination in low visibility
- Observe both thermal contrast and scene context simultaneously
Compared with traditional night vision devices, multispectral fusion significantly enhances operational awareness in complex outdoor environments.
Four Observation Modes
To support different mission requirements, the TD70B provides four display modes:
- Low-Light Mode: Suitable for low-illumination observation where environmental detail is important.
- Fusion Mode: Combines thermal targets with visible-scene detail for improved recognition capability.
- Picture-in-Picture (PIP) Mode: Provides magnified target observation while maintaining full situational awareness of the surrounding environment.
- Infrared Thermal Mode: Optimized for thermal target detection in total darkness, smoke, haze, or camouflage environments.
Multiple Thermal Color Palettes
The TD70B includes five selectable thermal display palettes:
- White Hot
- Black Hot
- Iron Red
- Rainbow
- Cool Color
Operators can select different palettes depending on terrain, temperature contrast, and mission objectives to improve target visibility and reduce observation fatigue during prolonged use.
Rugged Portable Binocular Design
Designed for professional field deployment, the TD70B features a compact binocular structure optimized for long-duration observation tasks.
Benefits include:
- Reduced eye strain during extended operation
- Improved handheld stability
- Portable tactical deployment
- Comfortable outdoor use
The rugged housing supports reliable operation in harsh environmental conditions, including rain, fog, coastal humidity, and nighttime outdoor environments.
| Parameter | Specification |
| Model | TFN TD70B (Rangefinder Version) |
| Detector Type | Amorphous Silicon Uncooled Infrared Focal Plane |
| Detection Modes | 4 Modes (Infrared, Low-Light, Dual Fusion, Picture-in-Picture) |
| Color Palettes | 5 Palettes (Rainbow, Iron Red, Cool Color, Black Hot, White Hot) |
| Max Ranging Distance | 2500 meters |
| Magnification | 5-15X continuous zoom |
| Objective Lens | 50 mm |
| Field of View | 12° × 7° |
| Display | Dual high-resolution OLED / LCD (Binocular viewing) |
| Image Frequency | 50 Hz |
| Digital Zoom | 2x / 4x |
| Power Supply | Rechargeable Li-ion battery (18650) |
| Battery Life | ≥6 hours continuous operation |
| Video Output | Micro HDMI / Wireless (optional) |
| Image Storage | Built-in memory / microSD card slot |
| Interface | Type-C USB (data transfer, charging) |
| Tripod Mount | Standard 1/4”-20 thread |
| Operating Temp. | -20°C to +50°C |
| Protection Class | IP66 (water/dust resistant) |
| Dimensions (approx.) | 210 x 150 x 70 mm |
| Weight (approx.) | <1.2 kg (without battery) |
Applications
Frequently Asked Questions
The TD70B is a multispectral fusion thermal binocular used for long-range thermal observation, night surveillance, target detection, and laser ranging in low-visibility environments.
Fusion Mode combines thermal imaging with low-light optical detail, helping users detect heat signatures while maintaining environmental awareness and target recognition capability.
Yes. The thermal imaging channel allows observation in total darkness, fog, smoke, haze, and other environments where traditional optical systems cannot operate effectively.
ypical applications include: Wildlife observation, Military & defense, Law enforcement, Border patrol, Maritime security, Search & rescue.
Yes. The TD70B is suitable for: Long-range observation missions, Tactical reconnaissance, Border surveillance, Coastal security, Night patrol operations