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📝 Thermal Imager INFIRAY (iRay) EYE 3 E3plus
Thermal Imager INFIRAY (iRay) EYE 3 E3plus is a compact professional-grade thermal monocular featuring a 384×288 sensor and a 25 mm objective lens, designed for detecting targets at medium and long distances. The device provides a stable thermal image due to the VOx sensor with a 12 µm pixel pitch and high thermal sensitivity, enabling clear differentiation of objects even in adverse weather conditions and complete darkness.
Thermal Imager INFIRAY (iRay) EYE 3 E3plus is equipped with a 1440×1080 OLED display, built-in Wi-Fi module, digital compass, and 32 GB internal memory for photo and video recording. IP67 protection and up to 8 hours of battery life make the device suitable for prolonged field missions, patrol operations, technical monitoring, and observation in harsh environmental conditions.
🫡 We are a team of veterans
We test thermal imaging optics directly in real field conditions — on observation posts, in vehicles, during night missions, and under difficult weather. For us, image stability, proper VOx sensor performance, and absence of motion lag are critical factors.
We evaluate the EYE 3 E3plus as a balanced thermal monocular for mobile operations: it boots quickly, provides clear silhouette detailing at distances up to 1.5 km, and offers sufficient battery life for shift-based field deployment. The compact form factor and low weight allow it to be constantly carried as a primary or backup observation device.
⚙️ Specifications
| Parameter | Value |
|---|---|
| Device type | Thermal imaging monocular |
| Sensor resolution | 384×288 |
| Microbolometer type | VOx (vanadium oxide) |
| Pixel pitch | 12 µm |
| Thermal sensitivity (NETD) | <25 mK |
| Objective lens diameter | 25 mm |
| F-number | F/1.0 |
| Magnification | 3.5× – 14× |
| Detection range | up to 1500 m |
| Display | OLED 1440×1080 |
| Refresh rate | 50 Hz |
| Laser rangefinder | No |
| Internal memory | 32 GB |
| Wi-Fi | Yes |
| Additional features | Digital compass, video recording |
| Power supply | Built-in rechargeable battery |
| Operating time | up to 8 h |
| Protection rating | IP67 |
| Dimensions | 180×54×54 mm |
| Weight | 480 g |
| Housing material | Plastic |
💬 Comment / comments
The EYE 3 E3plus is a mid-class versatile thermal monocular focused on stable operation without excessive feature overload. The 384×288 sensor combined with a low NETD <25 mK ensures confident identification of thermal contours of personnel and vehicles at medium distances, which is critical for nighttime observation tasks.
The 25 mm optical system with F/1.0 aperture performs reliably in high humidity and fog, maintaining thermal image contrast. Built-in Wi-Fi and 32 GB memory allow the device to be used as a tool for recording reconnaissance data or technical inspections without additional external equipment.
🎯 Who it is suitable for
Military personnel, who require a compact thermal imager for night surveillance, movement detection, sector control, and operation from mobile positions without increasing the weight of carried gear.
Reconnaissance and patrol units, who need stable sensor performance, fast device start-up, and sufficient battery life for extended duty shifts.
Law enforcement and security teams, performing night perimeter control, territory monitoring, and intruder detection in limited visibility conditions.
Rescue and search teams, who require reliable detection of people or equipment in darkness, smoke, or complex terrain.
Hunters and civilian professional users, engaged in wildlife observation or technical monitoring of objects during nighttime operations.