The ThermTec WILD650DL Pro is a thermal imaging monocular for those who don't want to choose between overview and detail. The key is Dual-FOV (two fields of view/lenses 25 mm / 50 mm): wide for quick scanning in the forest, narrow for more range and finer targeting in the field. Additionally, it features a highly sensitive 640×512 sensor with NETD < 15 mK (manufacturer's specification) and an integrated laser rangefinder up to 1,000 m (manufacturer's specification) – practical if you don't want to guess distances.
Key Features
- Sensor: 640 × 512, pixel pitch 12 µm, NETD < 15 mK @ 300 K (manufacturer's specification)
- Dual-FOV optics: 25 mm / 50 mm, aperture F0.9 (manufacturer's specification)
- Field of view width at 100 m: 30.7 × 24.6 m (25 mm) / 15.4 × 12.3 m (50 mm) (manufacturer's specification)
- Display: AMOLED 1600 × 1200, 0.5" (manufacturer's specification)
- Magnification: 1.8× – 3.6×, digital 1× – 4× (manufacturer's specification)
- LRF: up to 1,000 m, Class 1, 905 nm (manufacturer's specification)
- Storage: 64 GB internal (manufacturer's specification)
- Frame rate: 50 Hz (manufacturer's specification)
- Protection class: IP67, operating temperature −20 °C to +50 °C (manufacturer's specification)
- Battery: 18650 Li-Ion, runtime approx. 6 h, replaceable (manufacturer's specification)
- Weight: 653 g (manufacturer's specification)
Our assessment – from an instructor's and user's perspective
Dual-FOV is more than "nice to have" in everyday use: it solves a real problem. With a single device, you cover two typical situations: broad scanning (quickly identifying what's happening in the forest) and close inspection (details/identification at a distance). This exact switch saves time, reduces search movements, and allows you to observe more calmly – instead of constantly "scratching" with digital zoom.
Practical added value: Look at the numbers: At 25 mm, you have about 30.7 m image width at 100 m – that's a significantly greater overview. At 50 mm, it's 15.4 m – narrower, but more detail at a distance. This is the real difference you immediately feel when scanning. The LRF up to 1,000 m additionally helps against a classic problem: thermal imaging often makes distances seem "too close". A measured value provides clarity, especially when multiple objects or structures are in the image.
Typical errors: too much digital zoom (makes the image coarse) and insufficient focusing. Especially with changing humidity, it's worth actively adjusting focus and image parameters. The device is over-dimensioned if you only use short distances and don't really need Dual-FOV or LRF.
Features & Operation
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Dual-FOV: Switch between 25 mm (overview) and 50 mm (detail/distance) depending on the situation (manufacturer's specification)
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Image modes: Forest / Rain (manufacturer's specification)
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Color palettes: 6 (manufacturer's specification)
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PIP: Picture-in-Picture for detailed work without losing the overall view (manufacturer's specification)
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Hot spot tracking: available (manufacturer's specification)
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Operation: ergonomic directional joystick, horn-shaped eyepiece cover (manufacturer's specification)
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Connectivity: App connection / wireless remote control (manufacturer's specification)
Technical Data
- Sensor: 640 × 512, 12 µm, NETD < 15 mK @ 300 K, spectral range 8–14 µm (manufacturer's specification)
- Frame rate: 50 Hz (manufacturer's specification)
- Detection range: 1300 / 2600 m (manufacturer's specification)
- Optics: 25 mm / 50 mm, F0.9 (manufacturer's specification)
- Field of view (100 m): 30.7 × 24.6 m / 15.4 × 12.3 m (manufacturer's specification)
- Angle of view: 17.5° × 14° / 8.8° × 7.0° (manufacturer's specification)
- Magnification: 1.8× – 3.6×; Digital zoom 1× – 4× (manufacturer's specification)
- Display: AMOLED, 1600 × 1200, 0.5" (manufacturer's specification)
- Color palettes: 6; Image modes: Forest / Rain; PIP: Yes; Hot spot tracking: Yes (manufacturer's specification)
- Storage: 64 GB internal (manufacturer's specification)
- LRF: Class 1, 905 nm, measuring range up to 1,000 m (manufacturer's specification)
- Battery: 18650 Li-Ion, runtime approx. 6 h, USB-C (manufacturer's specification)
- Environment: −20 °C to +50 °C, IP67 (manufacturer's specification)
- Weight: 653 g (manufacturer's specification)
Scope of Delivery
- 1× ThermTec WILD650DL Pro Thermal Imaging Monocular
- 1× User Manual
- 2× 18650 Li-Ion Batteries
- 1× Charger
- 1× Cleaning Cloth
- 1× Service & Support Card
- 1× Neck Strap
- 1× Hand Strap
- 1× Carrying Case
Note: All range and performance specifications (e.g., NETD, detection range, LRF up to 1,000 m) are manufacturer's specifications and depend heavily on weather, humidity, temperature contrast, and target size. For best results, adjust focus and image parameters to the situation.
FAQ
What's the advantage of Dual-FOV compared to "just zoom"?
Dual-FOV changes the actual field of view (overview vs. detail), instead of just digitally magnifying. This gives you more overview at 25 mm and more detail at a distance at 50 mm – without "bloating" the image as much as with digital zoom.
How significant is the visible difference between 25 mm and 50 mm?
Very clear: At 100 m, you see about 30.7 m image width at 25 mm, and about 15.4 m at 50 mm. You scan wider or work in more detail – depending on the situation (manufacturer's specification).
What does NETD < 15 mK practically offer me?
A low NETD value indicates high thermal sensitivity. This helps to better display fine temperature differences in difficult conditions (fog, rain, low contrasts) (manufacturer's specification).
How useful is the integrated LRF?
Thermal imaging can deceive about distances. The LRF provides a measured value up to 1,000 m (manufacturer's specification) and reduces misjudgments of distances.
How long does the device run per battery?
ThermTec states approx. 6 hours of runtime (manufacturer's specification). Display brightness, temperature, LRF, and app usage affect practical runtime. Two 18650 batteries are included.
