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BNVD-SG / NNVT-7 P45 is a high-grade binocular night-vision system that combines the robust BNVD-SG housing with modern Chinese-manufactured NNVT-7 Gen 3+ image-intensifier tubes equipped with White Phosphor (P45).
With an FOM range from 2000 to 2400+, SNR ≥ 30, and resolution up to 72 lp/mm, this configuration delivers a sharp, high-contrast image with excellent detail reproduction even in challenging lighting conditions.
Auto-gating technology automatically regulates sensitivity during bright flashes, protecting the tube and maintaining stable image quality.
⚙️ Technical Specifications
| Parameter | Value |
|---|---|
| Housing | BNVD-SG |
| IIT Type | NNVT-7 |
| Tube Format | MX10160 (~18 mm) |
| Phosphor | P45 (white) |
| Figure of Merit (FOM) | ≥ 2000 (typically 2000–2400+) |
| Signal-to-Noise Ratio (SNR) | ≥ 30 |
| Center Resolution | 68–72 lp/mm |
| High-Light Resolution (HLLR) | ~54 lp/mm |
| Luminous Gain | 11,000–20,000 cd/m²/lx |
| Auto-Gating | Present |
| Housing Water Protection | Up to 20 m / 2 hours |
| Auto-Shutoff | When flipped up or inverted |
| Gain Adjustment | Single-handed, both channels simultaneously |
| Power Supply | 1× AA or external power port |
| System Weight (with IITs) | ≈ 560 g |
| Documentation | Individual specification sheet per unit |
Comment / Quality Level
The NNVT-7 IIT represents a modern generation of Chinese Gen 3+ tubes that have approached the performance of U.S.-made Elbit XLS and L3Harris 18UA models.
With FOM above 2000, low noise levels, high resolution, and realistic contrast reproduction, this configuration is an excellent choice for users who require professional-grade capability without export restrictions.
White Phosphor P45 reduces eye fatigue and improves detail perception compared to classical green P43.
Combined with the BNVD-SG housing, the system offers an optimal balance of reliability, ergonomics, and performance suitable for both professional and civilian operators.
Suitable For
• Operational units and field operators who require high clarity and stability during night missions.
• Pilots, navigators, and vehicle operators working at night with Gen 3+ systems.
• Volunteer organizations and support units seeking a modern alternative without U.S. export-license restrictions.
• Training centers and instruction programs utilizing next-generation night-vision equipment.
• Civilian users who want maximum image quality at a reasonable cost.