GUIDE TD633 35mm 640x512 Monocular
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The GUIDE USA TD633 is a high-performance handheld thermal monocular designed to deliver exceptional image quality and long-range detection capability in a compact ergonomic package. Built around a 640×512 thermal sensor and paired with a 35mm germanium objective lens, the TD633 is ideal for users needing strong thermal performance in a compact, handheld observation platform.
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 target identification in challenging environmental conditions. Combined with GUIDE’s advanced image processing algorithms, the system delivers strong image quality across all conditions.
With a 35mm F/1.0 germanium objective lens and base magnification of 2.0x, the TD633 delivers excellent detection capability while maintaining a wide field of view for scanning larger areas. This lens and sensor combination is paired with a high-quality AMOLED display to provide a highly detailed and comfortable viewing experience during extended use.
A major advantage of the TD Gen 3 platform is its compact ambidextrous housing design featuring GUIDE’s fingertip focus roller system, allowing fast and precise one-handed focus adjustment. The ergonomic layout is optimized for both left and right-handed users for comfortable handheld use during long hunts.
The unit is powered by a single 18650 rechargeable battery system, providing up to ten hours of operating time for extended field use. Onboard video recording with audio, WiFi connectivity, and integrated Bluetooth allow users to capture and stream footage through the Guide TargetIR mobile app.
The TD633 features IP67 rated environmental protection for reliable operation under demanding conditions.
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 TD633 with confidence knowing you’ll be able to enjoy this unit for years to come.
Features
- 640×512 Thermal Sensor Resolution
- 12μm Pixel Pitc
- 50Hz Frame Rate
- ≤20 mK NETD Thermal Sensitivity
- 35mm F/1.0 Germanium Objective Lens
- 2.0× Base Magnification
- 8× Digital Zoom (16.0x)
- 12.5° Field of View
- 1,950 Yard Detection Range
- 0.36’’ 1280×960 AMOLED Display
- Advanced Image Processing Algorithms
- Compact Ambidextrous Housing Design
- Fingertip Focus Roller System for One-Handed Operation
- Onboard Video and Image Recording with Audio (32GB)
- WiFi Connectivity with Guide TargetIR Mobile App Integration
- Bluetooth Enabled
- 18650 Rechargeable Battery System (10 Hours)
- USB-C External Power Input
- IP67 Water and Dust Ingress Rating
- 10-Year Thermal Sensor & Detector Warranty
- 5-Year Overall System Warranty
- 2-Year Accessory Warranty
Items Included
- GUIDE USA TD633 Thermal Monocular
- 18650 Batteries x 2
- Battery Charger
- USB-C Cable
- Wrist Strap
- Carrying Case
- Operator Manual


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