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Nora NVG-33N Head-Mounted Dual-Tube Night Vision Goggles for Professional Tactical, Hunting, and Low-Light Operations
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Product Description
The Nora NVG-33N Head-Mounted Dual-Tube Night Vision Goggles are independently designed and developed to deliver exceptional performance for nighttime observation and professional low-light applications. Compatible with high-performance Gen 2 and Gen 3 image intensifier tubes, the NVG-33N features a wide field of view, large-aperture eyepieces, and extended eye relief, providing bright, sharp, and low-distortion images for an enhanced nighttime viewing experience.
Designed with a lightweight yet rugged housing, the NVG-33N combines a compact form factor with outstanding durability for comfortable extended wear. It also integrates a built-in infrared illuminator and an automatic bright-light protection system, helping safeguard the image intensifier tube while ensuring reliable performance in changing lighting conditions.
With its advanced optical performance and versatile design, the Nora NVG-33N is well suited for a wide range of low-light applications, including nighttime patrols, security and surveillance, hunting, outdoor exploration, maritime operations, search and rescue, law enforcement, and other professional nighttime observation tasks. It provides users with a dependable and efficient night vision solution for demanding environments.
Technical Specifications
Model NVG-33N (40° FOV) (50° FOV Optional) Configuration Flip-Up Dual-Tube Binocular Night Vision Goggles Flip Detection Automatic shutoff when flipped sideways or upward (magnetic sensing, independent of gravity switch) Power Supply 1 × CR123 Lithium Battery / 1 × AA Battery Operating Voltage AA Battery: 1.2–1.6 V; Lithium Battery: 2.4–4.2 V Mounting Method Head-mounted (Standard FAST Helmet Interface) Control Modes ON / IR / AUTO Power Consumption < 0.1 W Battery Capacity 500–800 mAh Battery Life 30–50 Hours Optical Magnification 1× Field of View (FOV) >40° (50° Optional) Optical Axis Parallelism <0.5° Image Intensifier Gen 2+ / Gen 3 Image Intensifier Tube Objective Lens F1.18, 25 mm Optical MTF 120 lp/mm Optical Distortion <0.5% Max Relative Illumination >75% Optical Coating Ultra-Wideband Multi-Layer Anti-Reflective Coating Focus Range 250 mm – ∞ Observation Distance 280 m Focusing Method Manual Focus Eye Relief 25–40 mm (Full FOV) Eyepiece Diameter 30 mm Exit Pupil Diameter 9 mm Diopter Adjustment -6 to +4 / -4 to +6 (Adjustable) Interpupillary Distance (IPD) Adjustment Continuously Adjustable IPD Range 50–80 mm IPD Lock Lockable via Adjustment Knob (Optional) IR Illuminator 850 nm, 20 mW Operating Temperature -40°C to +55°C Humidity Range 5%–95% Waterproof Rating IP65 / IP67 Dimensions (40° Version, without Eyecups & Lens Caps) Folded: 108 × 108 × 80 mm; Unfolded: 108 × 165 × 43 mm Dimensions (50° Version, without Eyecups & Lens Caps) Folded: 100 × 108 × 80 mm; Unfolded: 100 × 165 × 43 mm Weight (without Battery, Eyecups & Lens Caps) 549 g (40° Version); 556 g (50° Version) 
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