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📝 Thermal Imager INFIRAY (iRay) FINDER FH50R V2 (640×512)
Thermal Imager INFIRAY (iRay) FINDER FH50R V2 (640×512) is a professional thermal imaging monocular with an integrated laser rangefinder, designed for detection and identification of thermal targets at distances up to 2500 meters in complete darkness and challenging weather conditions. The device is equipped with a highly sensitive 640×512 VOx sensor with a 12 µm pixel pitch and NETD <20 mK sensitivity, providing clear and high-contrast thermal imagery even under minimal temperature differences.
The 50 mm objective lens with F1.1 focal ratio and 3×–12× magnification enables effective operation both in wide-area scanning mode and detailed long-range target identification. The AMOLED display with a resolution of 1024×768, built-in laser rangefinder up to 800 m, microphone, Wi-Fi module, and 32 GB internal memory make the device a complete tool for reconnaissance, observation, and data recording in field conditions.
🫡 We are a team of veterans
We use thermal imagers of the FINDER series for long-range observation, reconnaissance, and situational awareness across large terrain sectors. Thermal Imager INFIRAY (iRay) FINDER FH50R V2 (640×512) demonstrates high effectiveness in detecting vehicles and personnel at extended distances due to the combination of a sensitive sensor, powerful optics, and an integrated laser rangefinder. Its compact size with significant detection capability makes the model suitable for both stationary observation posts and mobile surveillance units.
⚙️ Specifications
| Parameter | Value |
|---|---|
| Device type | Thermal imaging monocular |
| Sensor resolution | 640×512 |
| Microbolometer type | VOx (vanadium oxide) |
| Pixel pitch | 12 µm |
| Sensitivity (NETD) | <20 mK |
| Refresh rate | 50 Hz |
| Objective lens diameter | 50 mm |
| Focal ratio | F1.1 |
| Detection range | up to 2500 m |
| Magnification | 3× – 12× |
| Field of view | 8.8° × 7.0° |
| Rangefinder | Laser (up to 800 m) |
| Display | AMOLED 1024×768 |
| Internal memory | 32 GB |
| Wi-Fi | Yes |
| Microphone | Yes |
| Power supply | Built-in rechargeable battery |
| Operating time | up to 6 h |
| Protection class | IP67 |
| Dimensions | 170×90×58 mm |
| Weight | 500 g |
💬 Comment / comments
The FINDER FH50R V2 belongs to mid-class long-range thermal imagers with an integrated laser rangefinder. The 640×512 sensor with <20 mK sensitivity allows reliable detection of weak thermal contrasts, which is essential when observing camouflaged targets or operating in adverse weather conditions. The 50 mm objective lens provides human detection range up to 2.5 km, while the 800 m laser rangefinder improves distance estimation accuracy. The combination of compact dimensions, high image detail, and onboard video recording capabilities makes the device a versatile solution for reconnaissance and security operations.
🎯 For whom it is suitable
Military personnel, reconnaissance units, and surveillance operators, who require a long-range thermal imager with a laser rangefinder for detecting and identifying personnel and vehicles at distances up to 2.5 km during night operations.
Security and law enforcement units, performing monitoring of large territories, perimeter surveillance, and early detection of moving objects in challenging weather conditions.
Rescue services and search teams, who need a highly sensitive thermal imaging device for locating people at long distances in darkness or limited-visibility environments.
Professional civilian users — hunters, instructors, and observation operators, for whom long detection range, laser rangefinding capability, video recording, and stable performance during extended field deployments are essential.