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Nora TKYS-41 Dual-Tube Foldable Head-Mounted Night Vision Goggles for Advanced Low-Light Surveillance and Tactical Operations
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Product Description
The Nora TKYS-41 Dual-Tube Foldable Night Vision Goggles feature an advanced dual-tube folding design, offering an ultra-wide 50° field of view, high-definition low-distortion imaging, a lightweight construction, and a rear-balanced center of gravity for exceptional comfort and ease of operation.
The TKYS-41 supports independent interpupillary distance adjustment and locking for each optical tube, allowing users to achieve a customized fit while quickly switching between binocular and monocular observation modes as mission requirements change.
When paired with Nora’s patented helmet mount system, the device can be rapidly flipped upward for convenient storage and automatic power-off, enhancing operational efficiency and extending battery life. Compatible with a wide range of mainstream image intensifier tubes, the TKYS-41 delivers outstanding night vision performance in low-light environments.
Combining versatility, ergonomic design, and advanced optical engineering, the Nora TKYS-41 is an ideal solution for tactical reconnaissance, security patrols, nighttime search and rescue missions, law enforcement operations, and professional observation tasks.
Technical Specifications
Item TKYS-41 Optical Magnification 1× Field of View (FOV) >50° Optical Axis Parallelism <0.5° Image Intensifier Tube Optional Gen 2+ / Gen 3 Image Intensifier Tubes, P43 Green Phosphor or P45 White Phosphor Aperture F1.18, 22.5 mm Optical MTF 120 LP/mm Optical Distortion ≤1% Relative Illumination >75% Optical Coating Ultra-Wideband Multi-Layer Anti-Reflection Coating Focus Range 250 mm – Infinity Focus Method Manual Focus Eye Relief 25–30 mm Exit Pupil Diameter 9 mm Diopter Adjustment +5D to -5D Optical Configuration Dual-Tube Binocular Foldable Optical Design Flip-Up Detection Automatic Detection with Flip-Up Auto Power-Off (Optional) Power Supply 1× AA Battery / 1× CR123A Battery / External Battery Pack via Adapter Operating Voltage Range 1.2–1.6 V / 2.5–4.2 V Mounting Method Head-Mounted (Standard FAST Helmet Interface) Interpupillary Distance Adjustment Continuously Adjustable with Locking Function Interpupillary Distance Range 55–85 mm Control Modes ON / IR / AUTO Power Consumption <0.1 W Battery Capacity 300–3200 mAh Battery Life 40–100 Hours IR Illuminator 850 nm, 20 mW Operating Temperature -40°C to +55°C Humidity Range 5%–95% Waterproof Rating IP65 / IP67 Dimensions (Without Eyecups) 147 × 100 × 88 mm Weight (Without Battery) 500 g (Complete Unit, Dual-Tube Binocular Configuration) 
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