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NVG-40/50 / Elbit PH is a professional night-vision system that combines the reliable, lightweight NVG-40/50 housing with high-grade Elbit PH (Performance Hold) tubes.
These Gen 3 image intensifiers offer an excellent balance of performance, image cleanliness, and parameter stability — an ideal choice for users who need military-level quality without stepping into premium-tier series.
The PH series is well known for its high SNR, uniform image field, and the absence of defects even after long-term use.
⚙️ Technical Specifications
| Parameter | Value |
|---|---|
| Housing | NVG-40/50 (40–50 mm IPD adjustment, IP67, ANVIS-compatible) |
| Tube Type | Elbit PH |
| Phosphor | P45 (white) |
| Tube Format | MX-10160 / MX-11769 |
| Figure of Merit (FOM) | ≈ 2400 |
| Signal-to-Noise Ratio (SNR) | ≈ 27–30 |
| Resolution (RES) | 72 lp/mm |
| Halo | ≤ 1.0 |
| EBI | ≤ 1.5 |
| Auto-Gating | Present |
| Tube Weight | ~80 g |
| System Weight | ~550 g |
| Power | CR123A / AA or external cable |
| Waterproof Rating | IP67 |
| Tube Lifetime | 10,000+ hours |
Comment / Quality Level
The Elbit PH series represents a high professional tier focused on stability and consistent performance.
It sits between XLS and YH — the ideal middle ground of price vs. performance.
PH tubes are characterized by:
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a clean, uniform image field,
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high contrast without visible grain,
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low Halo when operating near light sources,
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stability even after many on/off cycles.
This makes PH one of the most popular options among professionals and experienced users.
Suitable For
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Reconnaissance operators who require stable, predictable FOM.
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Vehicle crews and mobile teams working in mixed-lighting environments.
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Security and specialized units needing a durable, dependable tube.
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PVS-14, BNVD, and similar system users upgrading to a professional-grade platform.
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Search-and-rescue operators working in minimal-light conditions.