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KWY412R-13x310 remote low light night vision viewer，night vision
13x310
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product description:
Product features:
1、High magnification rate
2、Remote observation (3000m under low light)
3、Advanced optical system
4、High resolution, anti-glare
5、Delicate and durable material
6、 Heavy duty telescope tripod, automatic brightness control
7、 Reliable and easy to operate
8、Two-year warranty and lifelong maintenance
Technical Parameters:
Main performance indicators：
| Image intensifier level | Quasi three generations Or three generations |
| magnification | 13x |
| Objective diameter (mm) | 310mm |
| Objective focal length (mm) | 412mm |
| Field of view (degree) | 3 º |
| Observation distance (m) | 3000m |
| Focus range | 200m-∞ |
| Resolution (line pair/mm) | 63-72 |
| Visual control range (diopter) | +4/-4 |
| Appearance size (mm) | 500x350x310 |
| Main engine, tripod weight (net kg) | 15和11 |
| Power source type | A 3V lithium battery |
| Power supply voltage (v) | 2.8±0.8 |
| Working temperature range (℃) | -40/+50 |
| 25 ℃ relative humidity | 98% |
| Continuous working time (hours) | 80 |
| Working temperature range (℃) | -40/+50 |
| 25 ℃ relative humidity | 98% |