Nachtsichtgerät NT1431 A3
Weiss Phosphor | Echo + | TANDescription
Product information "NT1431 A3 / BNVD Night Vision Device"
NT1431 A3 Night Vision Device
Advanced Binocular Night Vision System with High-Performance Photonis Tubes
The NT1431 A3 is a state-of-the-art binocular night vision device that sets new standards in durability, functionality, and cost-efficiency.
It has been specifically designed for demanding applications and features a lightweight yet highly durable housing, ensuring long service life.
Equipped with the latest technology, the device is suitable for both:
Professional users
Private users with high expectations
Key Features & Advantages
Integrated IR Illuminator
A built-in short-range infrared illuminator enhances visibility in complete darkness, e.g. for:
Room navigation
Map reading
Flip-Up Shut-Off Function
When the device is flipped up, the power supply is automatically cut off.
This function can be:
Temporarily disabled
Permanently disabled
by the user.
Optimized Stability & Functionality
The NT1431 A3 features:
Improved auto-gating for optimal adaptation to changing light conditions
Manual gain control for adjusting brightness manually
Lightweight & Durable
The fiber-reinforced housing combines:
High durability
Low weight
At under 500 g, the device is ideal for extended wear.
High-Quality MIL-SPEC Optics
Equipped with original US MIL-SPEC eyepieces and objectives for:
Maximum edge-to-edge sharpness
Distortion-free image without curvature
Expandable Power Supply
Internal: 1x AA battery (up to approx. 16 hours runtime)
External: Battery pack with 4x AA batteries
→ Runtime up to 60 hours
Additionally, the battery pack includes a:
360° IR strobe light
Flexible Binocular Rotating Design
Monocular pods can be individually adjusted and rotated
Can be flipped up when not in use
Wide Range of Tube Options
Available with Photonis Gen 2+ tubes:
Echo
Echo14+
Echo+
4G
4G+
The Echo14+ is specifically optimized for the NT940 / NT1431 and offers:
Attractive pricing
Solid performance
Slightly higher tolerance for cosmetic blemishes compared to Echo+
Latest Photonis Technology
Highly selected tubes provide:
Excellent contrast
Low image noise
High light amplification
→ even under the most challenging lighting conditions
Differences Between PHOTONIS Tubes
Variant Typical FOM Values Quality Characteristics Typical Application
Echo 1800 – 2200 FOM Standard Gen 2+ quality, solid price-performance ratio Hunters, sport shooters, security services
Echo14+ from 1800+ FOM Optimized for NT940/NT1431, slightly more blemishes than Echo+, more affordable Tactical applications, dual use, government
Echo+ from 2200 FOM Selected premium quality, better SNR, lower image noise Police, government users, advanced users
4G+ from 2200+ FOM Highly selected MIL-SPEC tubes, excellent image clarity, fast autogating Military, special forces, professional applications
Technical Specifications – NT1431 A3
Weight: approx. 580 g (without battery)
Field of View: 40°
Power Supply: 1x AA (internal) / 4x AA (external battery pack)
Battery Life: approx. 16 h (internal), up to 60 h (external)
Magnification: 1x
Diopter Adjustment: +2 to -6
Focus Range: 25 cm to infinity
Tube Options: Photonis Gen 2+ (Echo, Echo14+, Echo+, 4G, 4G+)
Scope of Delivery
NT1431 A3 night vision device
Bikini cover
Retention lanyard
Cleaning kit
Tactical carry case
Eyecups
Applications & Expandability
Ideal for:
Tactical operations (military & law enforcement)
Hunting and security services
Border protection and covert operations
Professional civilian users
Optional Upgrades:
Fused clip-on thermal module
Helmet mounts
External power supply system
Amber filter
Refocus lens
Conclusion
The NT1431 A3 combines cutting-edge night vision technology with premium build quality and maximum flexibility.
Whether for professional or demanding civilian use, this system delivers:
Maximum performance
Minimal weight
→ making it one of the best binocular night vision solutions on the market.