GUIDE TU435L LRF 3.0 35mm 400x300
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The GUIDE USA TU435 LRF 3.0 is a high-performance thermal weapon sight designed to deliver strong image quality, long-range detection, integrated rangefinding in a 30mm tube-style thermal platform, all in an affordable platform. Built around a 400×300 thermal sensor and paired with a 35mm germanium objective lens, the TU435 LRF 3.0 is well suited for serious night hunters needing reliable performance across a wide range of conditions.
At the core of the system is a 12μm thermal sensor with ≤20 mK NETD sensitivity, allowing the unit to produce detailed imagery with excellent contrast and identification, even in challenging environmental conditions. Combined with GUIDE’s image processing algorithms, the system provides great performance across all conditions.
With a 35mm F/1.0 germanium lens and base magnification of 4.4x, optimized for medium to long range use, the TU435 provides strong detection capability and is ideally suited for predator hunting due to the higher base magnification. Digital zoom further extends the system’s effective range while preserving image quality through onboard processing enhancements.
The unit is powered by a dual-rechargeable battery system consisting of an internal battery plus a removable 18650, offering extended operating times of up to twelve hours along with the ability to “hot-swap” batteries without shutting the unit down. Onboard video recording and WiFi connectivity allow users to capture and stream footage via the Guide TargetIR mobile app.
The TU435 LRF 3.0 is constructed using a rugged housing and features IP68 rated environmental protection, making it suitable for use in demanding conditions along with a recoil rating of up to .300 WM.
Warranty Information
GUIDE USA thermal optics are backed by a comprehensive factory warranty, including a 10-year warranty on the thermal sensor and detector, a 5-year warranty on the overall system, and a 2-year warranty on any accessories. Additionally, GUIDE USA provides a Texas-Based repair facility, and guarantees repair or replacement within a week once received. So buy the TU435 LRF 3.0 with confidence knowing you’ll be able to enjoy this unit for years to come.
Features
- 400×300 Thermal Sensor Resolution
- 12μm Pixel Pitch
- 50Hz Frame Rate
- ≤20 mK NETD Thermal Sensitivity
- 35mm F/1.0 Germanium Objective Lens
- 4.4× Base Magnification
- 8× Digital Zoom (35.2x)
- 7.4° Field of View
- 1,950 Yard Detection Range
- Integrated 1,630 Yard Laser Rangefinder
- 0.49’’ 1920×1080 AMOLED Display
- Multiple Color Palettes
- Onboard Video and Image Recording (128GB)
- WiFi Connectivity with Guide TargetIR Mobile App Integration
- 12 Hour Dual Battery System (Internal + Removable 18650)
- USB-C External Power Input
- IP68 Water and Dust Ingress Rating
- Suitable for Large Caliber Weapons up to .300 WM
- All-Metal 30mm “Tube-Style” Housing
- 10-Year Thermal Sensor & Detector Warranty
- 5-Year Overall System Warranty
- 2-Year Accessory Warranty
Items Included
- GUIDE TU435 LRF 3.0 Thermal Scope
- 30mm Quick Detach Scope Mount
- 18650 Batteries x 2
- Battery Charger
- Eyecup
- Power Adapters
- Carrying Case
- Operator Manual


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