EYE III Series Review: Compact Thermal Monoculars with AMOLED Display, Wi-Fi & 1800m Detection
Introduction to the EYE III Series
The InfiRay Outdoor EYE III Series is a line of compact thermal imaging monoculars built for professionals and enthusiasts needing lightweight, high-resolution, all-weather viewing solutions. With models like EL25, EL35, and EH35, this series offers premium AMOLED visuals, built-in memory, and seamless Wi-Fi streaming for a complete field experience.
Lightweight, Handheld, and Functional
Designed for one-handed operation, the EYE III units are smaller than most monoculars but deliver powerful performance in night surveillance, wildlife tracking, and search & rescue missions.
Ideal Users and Applications
SAR teams locating warm targets in challenging environments
Hunters needing to locate game through fog or brush
Law enforcement seeking portable thermal optics
Outdoor researchers observing nocturnal animals
Key Features of the EYE III Series
Thermal Sensor and Imaging Specs
384×288 and 640×512 Options
- EL25 / EL35: 384 × 288 resolution
- EH35: 640 × 512 resolution
All use InfiRay’s 12μm VOx detectors, offering excellent thermal contrast for human and animal identification.
NETD ≤25mK for Clear Imaging
Each unit delivers <25mK thermal sensitivity, ensuring accurate detection even when temperature differences are subtle—ideal for bad weather or dense forest conditions.
Lens, Field of View, and Detection Range
25mm to 35mm Lenses
- EL25: 25mm
- EL35 / EH35: 35mm
The F1.0 lens system allows maximum infrared transmission, enhancing target detection clarity.
Up to 1800m Detection
| Model | Detection Range (Human Size) |
|---|---|
| EL25 | 1300m |
| EL35 | 1800m |
| EH35 | 1800m |
Display and Viewing Comfort
AMOLED 1440 × 1080 Screen
The EYE III series features a 1440×1080 high-res AMOLED display, offering crisp visuals with superior contrast. Color palettes include:
- White Hot
- Black Hot
- Red Hot
- Rainbow
Glasses-Friendly Eye Relief
A 20mm eye relief and flexible eyeshade accommodate glasses wearers without sacrificing the field of view.
Magnification and Digital Zoom
- EL25: 2.5x–10x
- EL35: 3.5x–14x
- EH35: 2.0x–8.0x
Up to 4x Zoom
Zoom increments are available in 0.5x steps, accessible via the rotary controller.
Recording and Storage Capabilities
32GB Internal Memory
Capture every moment with:
- Photo snapshots
- Video recording
- Recoil-activated video
- Audio recording via built-in mic
Files are saved using timestamped filenames (e.g., PIC_122504.jpg, VIDEO_122504.mp4).
User Interface and Button Layout
Controller Wheel & Camera Button
- Rotary dial for menu navigation and zoom
- Single-button camera control
- Shortcut menu for quick contrast, sharpness, and brightness edits
Ultra-Clear Mode and Image Enhancements
Enable Ultra-Clear Mode during rain or fog for better edge detail and contrast. Users can also adjust:
- Image sharpness (1–4)
- Screen brightness (1–6)
- Image contrast (1–6)
Wi-Fi and App Integration
InfiRay Outdoor App Streaming
Connect via Wi-Fi to stream video and photos directly to your smartphone.
Rename and Secure Wi-Fi Connections
Customize SSID and password from the app. Supports real-time remote control and media download.
Power System and Charging Features
Built-In Cold-Resistant Li-Ion Battery
Each monocular runs on a non-removable 4.2Ah Li-ion battery, delivering up to 8 hours of use at 22°C.
Type-C Charging and Status Monitoring
- LED indicator (red = charging, green = full)
- Lightning icon appears when using external power supply
Interconnection Between Devices
Dual Monocular Sync
Connect two EYE III units to mirror one device’s screen on another. Great for training, team ops, or passive viewing.
PIP, Compass, Calibration, and Extras
- Picture-in-Picture (PIP) mode for a 2× inset zoom
- Digital compass with calibration support
- Auto calibration for internal sensor correction
- Microphone control toggle
- Lens Cap Shortcut: cover to calibrate, standby, or shut down
Protection and Build Quality
Operating Temp: -20°C to +50°C
IP67 waterproof and dustproof
Weight <500g
Dimension: 54×54×203mm
Specifications Table: EL25 / EL35 / EH35
| Feature | EL25 | EL35 | EH35 |
|---|---|---|---|
| Resolution | 384×288 | 384×288 | 640×512 |
| Lens Size | 25mm | 35mm | 35mm |
| Detection Range | 1300m | 1800m | 1800m |
| FOV (°) | 10.5×7.9 | 7.5×5.7 | 12.5×10 |
| Magnification | 2.5–10x | 3.5–14x | 2.0–8.0x |
| Display | AMOLED 1440×1080 | AMOLED 1440×1080 | AMOLED 1440×1080 |
| Battery Life | Up to 8h | Up to 8h | Up to 8h |
| Memory | 32GB | 32GB | 32GB |
| Wi-Fi & App | Yes | Yes | Yes |
| Weight | <500g | <500g | <500g |
| IP Rating | IP67 | IP67 | IP67 |
Pros and Cons of the EYE III Series
Use Case Scenarios
Field training and scouting with dual interconnectivity
Wildlife tracking in dense brush
Nighttime game identification
Border patrol or surveillance missions
Final Verdict: Is EYE III Worth It?
The InfiRay EYE III Series sets the standard for ultra-portable thermal monoculars with features usually reserved for heavier, pricier models. With its clear AMOLED screen, smart controls, video recording, and inter-device streaming, it’s perfect for anyone needing performance in a compact footprint.
If you’re a night hunter, mobile observer, or tactical responder, the EYE III delivers clarity, comfort, and control in one robust unit.
FAQs: EYE III Series
Roughly 1,000 photos or 5+ hours of video, depending on quality.
Yes, zoom works during recording and is reflected in the footage.
Yes, via interconnection mode for screen sharing.
Yes, download firmware to the “update” folder and update via the menu.
Yes, connect via Type-C and stream media while charging simultaneously.
