Product Overview
The Guide TU635LS is a top-tier model in the Guide TU 3.0 Series, powered by the next-generation APEXVISION infrared imaging system. It features a 640 x 512 @12μm thermal sensor with an impressive <15mK NETD sensitivity, delivering ultra-clear thermal images in challenging conditions.
The powerful lens system offers a 1800m detection range, while the built-in lens laser rangefinder gives fast, accurate distance readings up to 1200m, ideal for precision targeting at extended distances.
Designed for rugged use, the TU635LS includes a shutterless design, IP68 waterproof rating, dual-band Wi-Fi, and intuitive controls. Everything you need for reliable performance in the field.
INCLUDES QUICK RELEASE SCOPE MOUNT.
Quick Release Mount Scope Tube Torque Settings = <2.5N·m / 22.13 in-lbs
Complete ApexVision S1 System Architecture
Hyper-Light Algorithm, Ultra-Premium Visuals


| Product Name | Guide TU635LS Thermal Scope with LRF |
|---|---|
| Laser Rangefinder | 1200m |
| Type-C Power Supply | USB‑C (Charge/USB2.0) |
| Battery Operating Time | 14 Hours |
| Battery Type | 18650×2 Built-in + 18650×1 External |
| Audio Recording | Yes |
| Standby Mode | - |
| Hotspot | Yes |
| Capture Snapshot | - |
| Record Video | Yes |
| Working Temperature | -20°C to 50°C |
| Dimension | 420×89×80mm |
| Weight | 875g |
| Protection Level | IP68 |
| Image Pro | N/A |
| HSIS | N/A |
| Zoom Pro | N/A |
| Diopter | -5 to +5 |
| Exit Pupil | - |
| Palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia |
| Display | 1.03'' AMOLED 2560×2560 |
| Magnification | 2.6x – 20.8x |
| Field of View (Degrees/m @ 100m) | 12.5° × 10.0°/22x18 |
| Detection Range | 1800m |
| NETD | 15mK |
| Response Waveband | 8–14μm |
| Pixel Interval | 12μm |
| Frame Rate | 50Hz |
| Sensor Resolution | 640×512 |
| Lens (Focal Length) | 35mm |