The Low Light Innovations AETERNUS is a purpose-built fixed bridge night vision housing engineered for maximum endurance and ruggedness. Utilizing a single CR123 battery, the AETERNUS delivers an impressive 40-hour runtime—surpassing comparable systems by over five hours. This efficiency was achieved through a simplified, optimized design that eliminates the integrated IR illuminator and other unnecessary components, reducing both weight and power draw.
Low Light Innovations reimagined every aspect of the AETERNUS housing to improve user experience and reliability. The pod joints feature reinforced structural integrity and a watertight sealant system, making the unit fully submersible up to 66 feet. At just 535 grams without a battery, the AETERNUS remains one of the lightest fixed bridge housings available, offering superior balance and comfort during prolonged missions.
Designed to accommodate a wide range of user applications, the AETERNUS provides precise interpupillary and diopter adjustments with an exceptional field of view and focus range. Its streamlined construction and attention to detail make it the most rugged, user-friendly, and mission-ready fixed bridge system in its class.
Specifications:
• Power Source: (1) CR123 Battery
• Focus Range: 9.8” to Infinity
• Operation Time: Approx. 40 Hours
• Magnification: 1x (Unity Power)
• Field of View: 40°
• Interpupillary Adjustment: 51–73mm
• Diopter Adjustment: -6 to +2
• Eye Relief: 25mm
• Weight: 535g (without battery)
• Water Resistance: Submersible to 66 ft










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