Product Overview
The Guide TU635S is built for long-range performance and precision and powered by the next-generation APEXVISION infrared imaging system.
Built for serious hunters and professionals who need reliable thermal performance in the field, The TU635S features a 640×512 @12μm thermal sensor with <15mK NETD sensitivity, giving you clear images even in tough conditions. With a 35mm lens and a detection range of up to 1800 metres, it’s perfect for medium to long-range spotting.
Designed for tough environments, the TU635S includes a shutterless design, IP68 waterproof rating, dual-band Wi-Fi, and easy-to-use controls. Durable, powerful, and ready for any challenge.
INCLUDES QUICK RELEASE SCOPE MOUNT.
Quick Release Mount Scope Tube Torque Settings = <2.5N·m / 22.13 in-lbs






| Product Name | Guide TU635S Thermal Scope |
|---|---|
| Laser Rangefinder | N/A |
| Type-C Power Supply | USB‑C (Charge/USB2.0) |
| Battery Operating Time | 8 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 | 374×89×76mm |
| Weight | 745g |
| 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 | 0.49'' AMOLED 1920×1080 |
| Magnification | 2.8x~22.4x |
| Field of View (Degrees/m @ 100m) | 11.8°×7.1°/21x12 |
| Detection Range | 1800m |
| NETD | 15mK |
| Response Waveband | 8–14μm |
| Pixel Interval | 12μm |
| Frame Rate | 50Hz |
| Sensor Resolution | 640×512 |
| Lens (Focal Length) | 35mm |