D-C18/D-C19 Outdoor Thermographic Telescope: Long-Range Thermal Imaging
A Closer Look at Its Thermal Imaging Performance
The D-C18/D-C19 Outdoor Thermographic Telescope is designed for people who need reliable heat detection beyond ordinary visual range. This thermal imaging telescope combines a portable 605g body with a VOx infrared detector, interchangeable lenses, and a smooth frame rate for outdoor observation. In addition, buyers can choose between the DC18 model with 384×288 resolution and the DC19 model with 640×512 resolution. Both versions use 12μm pixel spacing and achieve a NETD of ≤40mK@25°C, F/1.0, helping reveal subtle temperature differences in darkness, haze, and changing weather. Therefore, the device suits wildlife observation, search and rescue, security surveillance, and industrial inspection. Its manual focus gives users direct control over image sharpness. Meanwhile, selectable magnification, picture-in-picture viewing, and hot point tracking make it easier to examine a target while maintaining awareness of the surrounding scene. The compact 201×68×73mm design also supports extended field use without adding unnecessary bulk. Whether you are monitoring a distant vehicle, following wildlife after sunset, or checking a large outdoor area, this outdoor thermal scope provides a practical way to see heat signatures that the naked eye cannot detect.

Long-Range Detection Range and Lens Options
The interchangeable 25mm, 35mm, and 54mm infrared lenses let users match the telescope to the observation distance. Specifically, the 25mm lens detects human targets at up to 1181m and vehicles at up to 3125m. The 35mm lens increases those figures to 1653m for humans and 4375m for vehicles. Furthermore, the 54mm lens reaches up to 2550m for human detection and 6750m for vehicle detection. Identification distances are shorter because they require more visible target detail. Even so, the 54mm lens can identify human figures at 638m and vehicles at 1688m. As a result, users can select a wider practical viewing option or a longer-range lens for specific field conditions.

The distance figures are based on defined human and vehicle target sizes. Consequently, real-world performance can vary with weather, background temperature, target contrast, and viewing conditions.
Clear Viewing Controls for Faster Field Decisions
The 0.39-inch OLED display presents the thermal image in a compact viewing system. Users can switch between 1×, 2×, 4×, and 8× magnification, depending on the target and distance. Additionally, the ±5D diopter adjustment helps accommodate different eyesight requirements. Hot point tracking automatically identifies the warmest point in the scene. Picture-in-picture mode then enlarges an area of interest without completely removing the wider view. This combination is useful when a user needs to inspect a possible target while continuing to monitor nearby movement.

Moreover, six color palettes support different viewing preferences and environmental conditions. Available choices include white hot, black hot, fire hot, rainbow, iron red, and cold color. Therefore, users can select the presentation that provides the strongest contrast for a particular scene.
Portable Construction for Outdoor Thermal Observation
The D-C18/D-C19 is built for practical field handling. Its 605g weight and 201×68×73mm dimensions make it easier to carry during wildlife monitoring, patrol work, or inspection tasks. In addition, the housing is rated for impacts up to 1000G, supporting dependable use in demanding outdoor environments. The device uses two detachable 18350 rechargeable lithium batteries, each rated at 1400mAh. USB Type-C connectivity supports charging and image or video export. Captured files use JPG and MP4 formats, which simplifies later review and sharing.

The telescope balances long-range detection, adaptable optics, low weight, and field-ready controls in one handheld platform.
Technical Specifications at a Glance

- Detector: VOx infrared detector
- Resolution: DC18 at 384×288; DC19 at 640×512
- Pixel spacing: 12μm
- Wavelength coverage: 8μm–14μm
- NETD: ≤40mK@25°C, F/1.0
- Frame rate: ≤50Hz
- Display: 0.39-inch OLED with 1440×1080 visible image resolution
- Focus: Manual
- Magnification: 1×, 2×, 4×, and 8×
- Battery: Two detachable 18350 rechargeable lithium batteries, 1400mAh each
- Interface: USB Type-C for charging and file export
- Languages: Simplified Chinese, Traditional Chinese, English, Russian, and German
- Formats: JPG and MP4
- Impact rating: ≤1000G
- Size and weight: 201×68×73mm and 605g
Related Links
Website
Product Link
https://uavauto.com/product/d-c18-d-c19-outdoor-thermographic-telescope/
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