Guide TD635LS Gen 3 Thermal Monocular with LRF
The Guide TD635LS ApexVision Gen 3 is a high-performance thermal imaging monocular featuring a 640×512 12μm thermal sensor with 15mK NETD and a 35mm objective lens, delivering excellent thermal sensitivity and detailed imaging in complete darkness and challenging outdoor conditions.
The TD635LS features an integrated 1,200m laser rangefinder for convenient distance measurement while maintaining the compact profile of the TD Gen3 series. Its fingertip focusing roller provides quick and precise one-handed focusing, while the symmetrical design allows comfortable operation with either hand.
It also features a 0.49-inch 1440×1080 AMOLED display, smart video recording with audio and up to 32GB internal storage. A replaceable 18650 battery provides up to 10 hours of operation for the TD635LS, while IP67 protectionprovides durability for demanding outdoor conditions.
Key Features
- 640 × 512, 12μm thermal sensor
- 15mK NETD thermal sensitivity
- 35mm objective lens
- Integrated 1,200m Laser Rangefinder
- 0.49″ 1440 × 1080 AMOLED display
- Fingertip focusing roller
- Ambidextrous one-handed design
- Smart video recording with audio
- Up to 32GB internal storage
- Up to 10 hours battery life
- Replaceable 18650 battery
- IP67 weather protection





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TECHNICAL SPECIFICATIONS
| Product model | TD650LS | TD635LS | TD435LS |
| Sensor | |||
| Core technology | Equipped with full ApexVision S1 system architecture: Detector ApexCore S1 + Platform Nexus 1.0 + Algorithm Hyper-Light 2.0 | Equipped with full ApexVision S1 system architecture: Detector ApexCore S1 + Platform Nexus 1.0 + Algorithm Hyper-Light 2.0 | Equipped with full ApexVision S1 system architecture: Detector ApexCore S1 + Platform Nexus 1.0 + Algorithm Hyper-Light 2.0 |
| Type | Uncooled VOx Infrared Detector, 8 to 14μm | ||
| Resolution | 640×512@12μm | 640×512@12μm | 400×300@12μm |
| NETD | 15mK | ||
| Frame rate | 50Hz | ||
| Lens | |||
| Objective lens | 50mm, F1.0 | 35mm, F1.0 | 35mm, F1.0 |
| Field of view | 8.8°×6.6° | 12.5°×9.4° | 7.9°×5.9° |
| FOV m@100m | 15×12 | 22×17 | 14×10 |
| Magnification | 2.91x~23.28x | 2.03x~16.24x | 3.26x~13.04x |
| Detection range | 2600m/2800yd | 1800m/1950yd | 1800m/1950yd |
| Focus | Manual | ||
| Display | |||
| Display type | 0.49″ AMOLED 1440×1080 | ||
| Color palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia | ||
| Eyepiece | Eye relief: 20mm; Diopter: −6 to +6; Zoom: 13.8x | ||
| Hardware | |||
| Laser rangefinder | 1200m/1300yd | ||
| WIFI | 2.4G, 5G | ||
| Interface | USB-C (Power supply/USB2.0) | ||
| Others | Microphone, Bluetooth | ||
| System | |||
| Recording function | Photo/Video (Audio recording included) | ||
| Memory capacity | 64 GB | ||
| Power | |||
| Battery type | Single, Replaceable 18650 Battery | ||
| Operating time | 10 hours | ||
| Environmental | |||
| Operating temp. | −20°C to 50°C / −4°F to +122°F | ||
| Encapsulation | IP67 | ||
| Physical | |||
| Weight (g/oz) | 465/16.4 | 374/13.19 | 374/13.19 |
| Size (mm/in) | 201×67×88/7.91×2.66×3.46 | 171×54×74/6.73×2.13×2.91 | 171×54×74/6.73×2.13×2.91 |
| Standard | Device, Eye Mask, Hand Strap, Neck Strap, Carry Bag, Accessory Bag, Lint-Free Cloth, Battery Charger, 18650 Battery ×2, 5V 2A Adapter (US, UK, Australia, and Europe), USB-A to USB-C Cable, Quick Start Guide, Warranty Card |
Device, Eye Mask, Hand Strap, Neck Strap, Carry Bag, Accessory Bag, Lint-Free Cloth, Battery Charger, 18650 Battery ×2, 5V 2A Adapter (US, UK, Australia, and Europe), USB-A to USB-C Cable, Quick Start Guide, Warranty Card |
Device, Eye Mask, Hand Strap, Neck Strap, Carry Bag, Accessory Bag, Lint-Free Cloth, Battery Charger, 18650 Battery ×2, 5V 2A Adapter (US, UK, Australia, and Europe), USB-A to USB-C Cable, Quick Start Guide, Warranty Card |
| Optional | Bluetooth Remote Control, 18650 Battery | ||



















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