The SENTINEL (640) utilizes a large diameter Germanium lens to extend its observation range beyond 2,500m. The SENTINEL (640) is an advanced thermal imaging binocular with a wide variety of tactical, law enforcement, border security and special forces applications. The SENTINEL (640) utilizes a high resolution uncooled thermal sensor to perceive differences in the thermal signature of objects within the field of view.
This device can detect objects at remote distances 24 hours a day, through smoke, fog or camouflage. This device does not produce any audible sounds while in operation.
FEATURES:
| Ergonomic design | 
| High-resolution uncooled thermal sensor | 
| Superb image clarity | 
| 640 resolution variant | 
| Simple to operate | 
SPECIFICATION:
| 
 Sensor  | 
|
| 
 Resolution (pixels)  | 
 640×512  | 
| 
 Operating wavelength (µ)  | 
 7.5-13.5  | 
| 
 Sensitivity (mK @F1.0)  | 
 <50  | 
| 
 Video Output  | 
 PAL or NTSC  | 
| DRI range (m): Human Tank  | 
 
 2,500/625/313 6,800/1,700/850  | 
| 
 Optics  | 
|
| 
 Objective focal length (mm)  | 
 75  | 
| 
 Field of view (°)  | 
 8×7  | 
| 
 Eye relief (mm)  | 
 25  | 
| 
 Dioptric correction  | 
 -6 to +2  | 
| 
 Zoom  | 
 2x, 4x, (8x optional)  | 
| 
 Mechanics, Electronics & Environmental  | 
|
| 
 Dimensions (mm)  | 
 208x89x146  | 
| 
 Weight without batteries (g)  | 
 1030  | 
| 
 Battery type  | 
 6x AA  | 
| 
 Battery life (hours)  | 
 8  | 
| 
 Operating Temperature (°C)  | 
 -40 to +50  | 
Sales@herooutdoors.com
            
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