|
Quantity
|
Total
|
||
|
|
|||
|
|
|||
Theon NYX / L3Harris 18UA is a time-proven night-vision configuration combining the Theon Sensors NYX dual-tube housing with L3Harris 18UA (Gen 3 Unfilmed White Phosphor) image intensifier tubes.
This setup provides reliable performance, clean imaging, and low noise levels—an ideal choice for users who require stable effectiveness without paying for premium-tier tubes.
The L3Harris 18UM/18UA series represents the baseline of Gen 3 White Phosphor technology, merging classic U.S. military tube architecture with Unfilmed technology, which delivers improved light sensitivity and reduced background noise (EBI) in low-light scenarios.
The Theon NYX housing is known for its ergonomics, IP67 waterproofing, and compatibility with popular mounting systems and helmets, making it a dependable option for field and operational use.
⚙️ Technical Specifications
| Parameter | Value |
|---|---|
| Housing | Theon Sensors NYX (Dual-Tube NVG System) |
| Tube Type | L3Harris 18UM / 18UA (Gen 3 Unfilmed White Phosphor) |
| Phosphor | P45 (White Phosphor) |
| Figure of Merit (FOM) | ≈ 1800+ |
| Signal-to-Noise Ratio (SNR) | ≥ 24.1 |
| Resolution (RES) | ≥ 64 lp/mm |
| Halo | ≤ 1.0 |
| EBI | ≤ 2.5 |
| Tube Format | MX-10160 / MX-11769 |
| Auto-Gating | Yes (Fast Auto-Gated) |
| System Weight (with tubes) | ≈ 450 g |
| Power | 1× AA or CR123A / external power input |
| Waterproof Rating | IP67 |
| Mounting Interface | Wilcox / Rhino / Dovetail |
| Tube Lifetime | ~10,000 hours |
Comment / Quality Level
The Theon NYX + L3Harris 18UA combination represents the entry level of Gen 3 Unfilmed White—perfect for most field observation tasks.
The 18UA series stands out with enhanced low-light sensitivity, stable FOM around 1800, and natural contrast reproduction.
Thanks to Unfilmed architecture, these tubes offer a clean, “plastic” image with minimal grain, which is especially beneficial in both urban lighting and low-light natural terrain.
This is a dependable mid-tier workhorse providing the maximum efficiency-to-cost ratio.
Suitable For
-
Volunteer programs and civilian users needing real Gen 3 performance without excessive cost.
-
Reconnaissance teams and observation operators working in general low-light environments.
-
Instructors and UAV operators working during nighttime missions.
-
Patrol and security units that require reliability and ease of maintenance.
-
Tactical users seeking an optimal balance of weight, image quality, and price.