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| Customization: | Available |
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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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★ Strong light power-off protection
★ Automatic brightness adjustment
★ Ultra-wideband multilayer anti-reflection coating
★ Embedded design of the battery cover spring
★ It can be connected to high-power lenses
★ Adjustable eye distance
★ Independent dual-switch system
| Category | DD2031 | DD3031 |
| Model | DD2031 | DD3031 |
| Structure | Binocular | Binocular |
| Image Intensifier Generation | Gen2+ | Quasi-Gen3 |
| Resolution (lp/mm) | 60-64 | 64-72 |
| Figure of Merit (FOM) | 1400-1800 | 1600-2300 |
| Sensitivity (µA/lm) | 700-1000 | 850-1200 |
| Signal-to-Noise Ratio | 23-28 | 28-32 |
| Brightness Gain (cd/m²/lx) | 8000-12000 | 10000-20000 |
| Photocathode Type | S25 | GaAs |
| Lens Coating Type | Ultra-wideband multi-layer AR coating | Ultra-wideband multi-layer AR coating |
| Magnification (X) | 1x | 1x |
| Field of View (°) | 40 | 40 |
| Diopter Adjustment Range (°) | +5/-5 | +5/-5 |
| Focal Length (mm) | 25 | 25 |
| Focus Range (m) | 0.25-∞ | 0.25-∞ |
| Dimensions (mm) | 110×87×68 | 110×87×68 |
| Weight (g) | 674 | 674 |
| Input Voltage (V) | 2.0-4.2 | 2.0-4.2 |
| Battery Type | 2×CR123A lithium batteries | 2×CR123A lithium batteries |
| Operating Time (h) | 100 (IR off) 40 (IR on) |
100 (IR off) 40 (IR on) |
| Overlight Protection | Yes | Yes |
| Auto On/Off (Orientation) | Yes | Yes |
| Auto Brightness Control | Yes | Yes |
| Spring-Embedded Battery Cover | Yes | Yes |
| IR Illuminator | Yes | Yes |
| Built-in IR Indicator | Yes | Yes |
| IR Wavelength (nm) | 850 | 850 |
| External IR Illuminator Support | Yes | Yes |
| Interpupillary Adjustment | Yes | Yes |
| High-Power Lens Compatibility | Yes | Yes |
| Operating Temperature (°C) | -50 to +60 | -50 to +60 |
| Storage Temperature (°C) | -50 to +70 | -50 to +70 |
| Humidity Range | 5%-98% | 5%-98% |
| Failure-Free Duration | 10,000 hours | 10,000 hours |
| IP Rating | IP65 | IP65 |
| Official Warranty | 1 year | 1 year |
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