Guide TU425S Thermal Scope
Guide TU425S Thermal Scope
The Guided TU425S Thermal Scope is the lightweight option in Guides advanced TU 3.0 Series, offering powerful thermal performance in a more compact and portable design, weighing just 575g.
Powered by the next-generation APEXVISION infrared imaging system and equipped with a 400 × 300 @12μm thermal sensor with <15mK NETD sensitivity, it delivers clear, detailed thermal images in a wide range of conditions. The 25mm lens provides a solid 1300m detection range, ideal for short to mid-range use.
With a shutterless design, IP68 waterproof rating, dual-band Wi-Fi, and easy-to-use controls, the TU425S packs pro-level features into a lightweight, field-ready unit.
INCLUDES QUICK RELEASE SCOPE MOUNT
Quick Release Mount Scope Tube Torque Settings = <2.5N·m / 22.13 in-lbs

Complete ApexVision S1 System Architecture
Guide Sensmart’s next-generation thermal imaging solution that redefines the infrared core of outdoor optics from the ground up. Engineered for any condition, ApexVision delivers ultra-clear visuals with smooth, ghost-free motion, high-fidelity imaging, and razor-sharp detail at long range.
LPVO-Style Design, Ultra-Light & Compact
Inspired by LPVO-style optics, the TU 3.0 Series combines a compact, lightweight form with advanced thermal technology, offering a more streamlined alternative to traditional scopes.
Hyper-Light Algorithm, Ultra-Premium Visuals
Powered by next-generation sensors and the Hyper-Light algorithm, it delivers enhanced clarity, reduced noise and optimized contrast, bringing out finer details with exceptional precision.
Shutterless Design, Uninterrupted Visuals
Advanced Shutterless 3.0 technology eliminates image freezing and audible clicks, delivering smooth, real-time viewing without interruptions in the field.
Note: A shutter module is retained to maintain optimal image quality during startup and in extreme temperature conditions.
Tailored for Hunters, Seamless Control
Refined through extensive field testing and user feedback, every detail has been optimized for intuitive use. The focus wheel, zoom lever and button layout are ergonomically designed for smooth, precise control.
Specifications
| Product Name | Guide TU425S Thermal Scope |
|---|---|
| Laser Rangefinder | N/A |
| Type-C Power Supply | 5V DC 2A via USB-C |
| Battery Operating Time | 10 hours |
| Battery Type | 18500 ×1 Battery (Built-in) and 18650 ×1 Battery (External) |
| Audio Recording | Yes |
| Standby Mode | Yes |
| Hotspot | 2.4 GHz / 5 GHz Wi-Fi |
| Capture Snapshot | Yes |
| Record Video | Yes |
| Working Temperature | From -20°C to 50°C |
| Dimension | 311×89×76mm |
| Weight | 575g |
| Protection Level | IP68 |
| Image Pro | N/A |
| HSIS | N/A |
| Zoom Pro | N/A |
| Diopter | -5D to +5D |
| Exit Pupil | - |
| Palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia |
| Display | 0.49'' AMOLED 1920×1080 |
| Magnification | 4.3x~17.2x |
| Field of View (Degrees/m @ 100m) | 10.3°×6.2°/18x11 |
| Detection Range | 1300m |
| NETD | NETD 20mK |
| Response Waveband | 8μm to 14μm |
| Pixel Interval | 12μm |
| Frame Rate | 50Hz |
| Sensor Resolution | 400×300 |
| Lens (Focal Length) | 25mm, F1.0 |