



The Guide TU425S Thermal Scope is the lightweight option in Guide's 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 a quick-release scope mount (torque setting <2.5N·m / 22.13 in-lbs).
Features
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, delivering 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. 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
- Sensor Resolution: 400×300
- Pixel Interval: 12μm
- NETD: 20mK
- Lens (Focal Length): 25mm, F1.0
- Detection Range: 1300m
- Magnification: 4.3x–17.2x
- Display: 0.49'' AMOLED 1920×1080
- Laser Rangefinder: N/A
- Frame Rate: 50Hz
- Field of View (@100m): 10.3°×6.2° / 18×11m
- Battery Type: 18500×1 built-in + 18650×1 external
- Battery Operating Time: 10 hours
- Power Supply: 5V DC 2A via USB-C
- Palettes: White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia
- Diopter: -5D to +5D
- Working Temperature: -20°C to 50°C
- Protection Level: IP68
- Dimensions: 311×89×76mm
- Weight: 575g
What's Included
- Guide TU425S Thermal Scope
- Quick-release scope mount
- Battery and charger
- USB Type-C cable
- Carrying case
- Lint-free cloth
- Quick start guide
Video
Why buy from us
At Iron Outback Co., we deliver high-performance equipment backed by trusted Australian service and support. We only partner with official, authorized suppliers, ensuring every product you receive is genuine, covered by warranty, and ready to perform when it matters most.
Shipping
At Iron Outback Co., we are committed to providing reliable and timely delivery of your orders.
1–3 business days after payment has been confirmed.
Shipping times may vary depending on the delivery location and shipping method chosen at checkout.
Once your order is shipped, you will receive an email containing a tracking number and a link to track your parcel’s journey.
If you haven’t received tracking information within 5 business days of ordering, please reach out to us at: support@ironoutbackco.com.au
warranty & Return
All physical items are backed by applicable manufacturer warranties.
If no explicit warranty is mentioned, your product is still covered under Australian Consumer Law
Change-of-mind returns are not accepted unless otherwise noted on the product page.
To initiate a return, contact:
support@ironoutbackco.com.au within 7 days of receiving your order.
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