The BNVD-SG / NNVT-5 night vision binocular combines the BNVD-SG housing with NNVT-5 Gen 3 image intensifier tubes. Developed for low-light environments, the system pairs a waterproof housing with stable image amplification.
The optical core features MX10160 format (2-Pad / 3-Pad configuration) NNVT-5 tubes with P43 green or P45 white phosphor, delivering resolution from 64 lp/mm, SNR ≥ 25, and luminous gain of 12,000–25,000 cd/m²/lx. The system achieves a FOM range of 1600–1800, with military variants incorporating auto-gating circuitry to handle light transitions. The unit supports operation in binocular or monocular modes.
The BNVD-SG housing features single-handed simultaneous gain adjustment for both oculars and an automatic shut-off function when flipped up or inverted. The housing maintains water resistance submersed down to 20 m for up to 2 hours.
Key Advantages
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FOM ≥ 1600+ rating — image identification and situational orientation in dark conditions
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NNVT-5 Gen 3 IIT — image output with low noise levels
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Submersible housing — water resistance down to 20 m for up to 2 hours
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Single-handed gain control — simultaneous brightness adjustments for both oculars
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Auto shut-off — cuts power when flipped up or inverted
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80 g IIT mass — lightweight optical intensifier components
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Binocular and monocular modes — flexible operation
Technical Specifications
| Parameter | Value |
| Housing | BNVD-SG |
| IIT Type | NNVT-5 / NVT-5 |
| Tube Format | MX10160 (2-Pad / 3-Pad) |
| Phosphor | P43 (Green) / P45 (White) |
| Figure of Merit (FOM) | FOM 1600+ |
| Signal-to-Noise Ratio (SNR) | ≥ 25 |
| Resolution | ≥ 64 lp/mm |
| Luminous Gain | 12,000 – 25,000 cd/m²/lx |
| Operating Voltage | 2.2 – 3.4 V |
| IIT Weight | ≈ 80 g |
| Auto-gating | Present in military versions |
| Water Resistance | Up to 20 m / 2 hours |
| Gain Control | Single-handed (both oculars simultaneously) |
| Auto Shut-off | On flip-up or inversion |
| Operating Mode | Binocular / monocular |
Applications
Observation and security personnel, training centers, instruction facilities, technical specialists, maintenance workshops.