Elbit / Twenty Six Defense Gen 3 White Phosphor Image Intensifier Tubes The Elbit Gen 3 White Phosphor image intensifier tube, now manufactured under the Twenty Six Defense name following the rebranding of Elbit Systems of America, is a high-performance 18mm night vision intensifier for professional and demanding civilian night vision systems. If you're looking for an Elbit night vision tube, Elbit F9415, or Elbit MX-11769, this is the same image intensifier product line now sold under the Twenty Six Defense brand. Quad Defense continues to carry and support these tubes through the brand transition. These are brand-new Gen 3 white phosphor image intensifier tubes and include the applicable factory specification sheet and a 1-year warranty. QDEF Hand-Selected Elbit Tubes Every image intensifier tube sold by Quad Defense is hand-selected for our customers. We don't simply pull a tube from inventory based on FOM and ship it. Our team reviews the available specifications and cosmetics and will work directly with you to select a tube based on your intended use and personal preferences. If you're looking for specific characteristics such as SNR, EBI, halo, gain, resolution, FOM, or tube cosmetics, contact us and let us know what matters most to you. We'll review current inventory and help identify the best available tube for your requirements. For binocular night vision systems, QDEF also selects and pairs tubes with attention to their specifications and overall image characteristics to provide a consistent viewing experience between both optical channels. Elbit Is Now Twenty Six Defense These image intensifier tubes were previously manufactured and sold under the Elbit Systems of America name and are now branded Twenty Six Defense. Because Elbit has been an established name in the night vision industry for years, customers may continue to see these tubes referred to as Elbit tubes, Elbit image intensifiers, Elbit F9415 tubes, or Elbit MX-11769 tubes. The new Twenty Six Defense branding represents the continuation of this product line under its new name. Gen 3 White Phosphor Performance Elbit / Twenty Six Defense Gen 3 image intensifier tubes combine Gen 3 technology with white phosphor output and are available across multiple performance levels. This allows customers to select an intensifier around their intended application, performance requirements, and budget. Rather than evaluating a tube solely by its advertised FOM range, QDEF considers the complete specification set and the tube's cosmetics when helping customers select an intensifier. F9415 / MX-11769 Manual Gain The Elbit F9415 MX-11769 is an 18mm Gen 3 white phosphor image intensifier incorporating a variable-gain power supply. When installed in a compatible manual-gain night vision housing, the user can adjust image brightness to better suit changing ambient-light conditions and personal preference. Available Performance Levels Inventory changes frequently, but QDEF commonly offers Elbit / Twenty Six Defense image intensifier tubes across several performance ranges: 1800–2200 FOM 2200–2400 FOM 2400+ FOM FOM isn't everything. Two image intensifier tubes with similar FOM can have different SNR, resolution, EBI, halo, gain, and cosmetic characteristics. QDEF evaluates the complete specification set when helping customers select a tube. Specifications Current Brand: Twenty Six Defense Former Brand: Elbit Systems of America Commonly Known As: Elbit Night Vision Tube Model: F9415 Technology: Gen 3 Phosphor: White Phosphor Tube Size: 18mm Tube Format: MX-11769 Gain: Variable / Manual Gain Compatible Expected Service Life: Approximately 12,000 hours Specification Sheet: Included Warranty: 1 Year Understanding Image Intensifier Specifications When comparing Elbit / Twenty Six Defense image intensifier tubes, consider the complete specification sheet rather than focusing exclusively on FOM. SNR (Signal-to-Noise Ratio) — describes the relationship between usable image information and image noise, particularly as available light decreases. Resolution — measured in line pairs per millimeter (lp/mm) and describes the tube's ability to resolve fine detail. FOM (Figure of Merit) — calculated by multiplying SNR by resolution and useful as a general performance reference. EBI (Equivalent Background Illumination) — represents background output generated by the tube and becomes increasingly relevant under extremely low-light conditions. Halo — describes the visible bloom surrounding bright points of light. Gain — describes the amount of amplification produced by the image intensifier. Matched Elbit Tube Pairs for Binocular NVGs When building a binocular night vision system, selecting two quality tubes is only part of the process. QDEF evaluates available tube specifications and image characteristics when pairing Elbit / Twenty Six Defense intensifiers for binocular builds. If you're purchasing tubes for a bino system, let us know. We'll work with you to select a pair based on the available inventory and your preferred performance and cosmetic characteristics. Build a Complete Night Vision System Building a complete system? Elbit / Twenty Six Defense image intensifier tubes can be selected as part of a custom night vision build through the QDEF Dark Room Night Vision Configurator. Choose your housing, image intensifier performance level, and optics to configure a system around your requirements. Tube Upgrades & Installation Already have a quality housing and optics? Upgrading the image intensifier tube or tubes can significantly change the performance of an existing night vision system without requiring you to replace the entire device. Quad Defense offers professional tube installation, inspection, purging, housing upgrades, and night vision service through The Service Bench. Don't See the Elbit Tube You're Looking For? Our image intensifier inventory changes constantly, and not every available tube is listed online. If you don't see the Elbit / Twenty Six Defense specifications or characteristics you're looking for, contact us. We'll work directly with you to review available inventory and select a tube based on your preferred specifications, performance characteristics, and cosmetics. Contact QDEF → Image color and appearance may vary between photographs, cameras, displays, and individual tubes. Product photos should not be considered an exact representation of phosphor appearance.
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