The ThermTec Wild 635L Thermal Monocular (SKU: OPTT-Wild635L) is a handheld thermal imaging optic engineered for nocturnal detection, identification, and distance measurement. Built around a 640 × 512 uncooled VOx sensor with a 12 µm pixel pitch and ≤18 mK NETD sensitivity, the monocular resolves subtle temperature gradients across complex terrain. Paired with a 35 mm objective lens, it delivers a 2.0× base optical magnification and an integrated 905 nm Class 1 laser rangefinder capable of measuring target distances up to 1,000 m with ±1 m accuracy. The thermal core achieves a human-sized target detection range of up to 1,800 m, with visual output presented on a 0.39-inch, 1024 × 768 AMOLED display.

Key Features:

• Integrated Laser Rangefinder: Measures active target distances up to 1,000 m, integrating with AI target identification to calculate ranges to multiple subjects.
• Optical Performance: Features a 35 mm focal length lens providing a 12.5° × 10.0° field of view (21.9 m @ 100 m) and 1×–4× continuous digital zoom at a 50 Hz frame rate.
• Ergonomic Handheld Design: Utilises top-mounted finger-wheel focusing and joystick navigation configured for one-handed operation by left- or right-handed users.
• Power and Runtime: Powered by a replaceable 18650 Li-ion battery providing 8 to 10 hours of continuous runtime, rechargeable via a 5V DC USB Type-C port.
• Internal Storage and Connectivity: Includes 64 GB of internal memory for photo and video storage, with Wi-Fi hotspot support for the ThermTec Outdoor mobile app.
• Rugged Housing: Rated IP67 dustproof and waterproof (submersible up to 1 m for 30 minutes), with an operating temperature window of -20 °C to +50 °C.

Technical Specifications:

• Sensor: 640 × 512 uncooled VOx, 12 µm pixel pitch
• Thermal Sensitivity: ≤18 mK (@ 300 K)
• Objective Lens: 35 mm
• Base Magnification: 2.0× (1×–4× digital zoom)
• Display: 0.39-inch AMOLED (1024 × 768)
• Detection Range: Up to 1,800 m
• LRF Range: Up to 1,000 m (±1 m accuracy, 905 nm Class 1)
• Dimensions: 190.2 mm (L) × 76.3 mm (W) × 84.6 mm (H)
• Weight: 505 g (±5 g without battery)
• Power Interface: 1× 18650 Li-ion battery / 5V DC USB Type-C

Who is the ThermTec Wild 635L Thermal Monocular for?

• Spot-and-stalk hunters — carries a lightweight 505 g chassis that reduces fatigue during mobile pursuits while providing single-handed scanning capabilities.
• Feral pest controllers targeting pigs and foxes — pairs a high-resolution 640 × 512 uncooled VOx sensor with a built-in 1,000 m laser rangefinder to quickly spot heat signatures and calculate precise shooting distances in the dark.
• Broad-acre and bushland game trackers — utilises a 35 mm objective lens delivering a 12.5° × 10.0° field of view (21.9 m at 100 m) to balance expansive scanning width with mid-to-long-range detection.

Less suitable for: Close-range shooting under 50 m where a wider field of view from a 19 mm or 25 mm thermal monocular is required, or extreme long-range open plains shooting requiring positive identification beyond 1,500 m, which is better served by a larger 50 mm focal length optic.