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Thermal Imaging Scope GUIDE N435 35mm 400x300px 3.3-13.2x is a modern optoelectronic device for confident operation at medium and long distances in severe weather conditions. Equipped with a sensitive 400×300 pixel detector array and a fast 35mm lens, the scope captures minor thermal contrasts in total darkness, dense fog, smoke, or heavy rain. The optical magnification range from 3.3x to 13.2x allows for quick transitions from wide-sector observation to precise target identification and tracking.
Technical Specifications
| Parameter | Value |
| Model | GUIDE N435 |
| Sensor Resolution | 400×300 pixels |
| Pixel Pitch | 12 µm |
| Spectral Range | 8–14 µm |
| Thermal Sensitivity (NETD) | ≤ 30 mK |
| Objective Lens | 35 mm, F1.0 |
| Optical Magnification | 3.3x–13.2x |
| Digital Zoom | 1x–4x (smooth/step) |
| Display | OLED, 1024×768 pixels |
| Refresh Rate | 50 Hz |
| Human Detection Range | up to 1400 m |
| Color Palettes | White Hot, Black Hot, Red Hot, Iron, Green, Amber |
| Internal Memory | 16 GB |
| Interfaces | Wi-Fi, USB Type-C, Analog Video Out |
| Power Source | Replaceable 18650 Battery / External PowerBank |
| Operating Time | up to 5 hours |
| IP Rating | IP67 |
| Operating Temperature Range | −30°C to +50°C |
| Dimensions | 230×90×75 mm |
| Weight | 650 g |
Commentary / Comments
The primary advantage of the Thermal Imaging Scope GUIDE N435 35mm 400x300px 3.3-13.2x lies in its high sensitivity rating of NETD ≤ 30 mK. This enables the device to resolve subtle temperature differences even in environments with minimal thermal contrast, such as during heavy rainfall, snowfall, or early morning fog. The high-resolution 1024×768 OLED display renders a rich image, minimizing eye strain during extended continuous operation. A 50 Hz refresh rate eliminates lag and frame blurring during panning or tracking rapidly moving objects.
The IP67-rated rugged housing withstands harsh field conditions, including direct exposure to moisture, dust, and a broad temperature range from −30°C to +50°C. Powered by standard 18650 batteries, the system allows for quick field replacement without disassembling the optics setup. The built-in Wi-Fi module and 16 GB memory enable real-time video streaming to external devices and recording of operational footage.
Target Audience / Suitable For
Military observers, snipers, and marksmen requiring a dependable optic for target detection and recognition at medium-to-long ranges gain a stable tool with high thermal detail. The capability to reliably identify thermal signatures at distances up to 1,400 meters allows effective sector monitoring in zero ambient light or against thermal camouflage. The 3.3-13.2x magnification range facilitates broad area scanning as well as precise target acquisition. An IP67 enclosure and wide operating temperature threshold guarantee equipment resilience during adverse weather and prolonged duty.
Mobile crew units and observation post operators conducting round-the-clock shifts utilize this scope for continuous perimeter surveillance and tracking of aerial or ground-based assets. Thanks to the high-contrast OLED display and 50 Hz refresh rate, imagery remains crisp, reducing eye fatigue over multi-hour shifts. Compatibility with standard 18650 cells alongside USB Type-C external power connectivity ensures high field endurance.
Search and rescue teams and security personnel operating in difficult terrain at night benefit from effective heat source detection through heavy foliage, smoke, or dense precipitation. The integrated recording and streaming hardware makes it straightforward to document search efforts and coordinate team movements via live mobile feed transmission.