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.