Lunar Edge B2 PVS-31 Gen2+ with Helmet Mount

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Lunar Edge B2 PVS-31: The Entry-Level Binocular Night Vision Solution

The Lunar Edge B2 PVS-31 is the perfect starting point for those entering the world of binocular night vision. Designed with 1400FOM tubes and a 23 SNR rating, it offers solid optical performance at an accessible price. Built on the foundation of the reliable PVS-14 optics system, the Lunar Edge B2 delivers clarity and usability without compromising on quality. To ensure seamless hands-free operation, it comes standard with an aluminum G24-style helmet mount included at no extra cost, delivering exceptional value right out of the box. Whether you're exploring the outdoors, conducting nighttime operations, or enhancing your tactical setup, the Lunar Edge B2 ensures dependable performance in the dark.

ITAR Compliance Notice:
This product is subject to the International Traffic in Arms Regulations (ITAR) and may not be exported, transferred, or shared with foreign nationals without prior approval from the U.S. Department of State. Unauthorized export or disclosure is a violation of federal law and can result in severe civil and criminal penalties. For more information, please consult the ITAR regulations or contact our compliance team.


Key Features

  • Reliable Optics and Imaging

    • Equipped with 1400FOM tubes and a 23 Signal-to-Noise Ratio (SNR) for crisp, clear images in low-light conditions.
    • Standard PVS-14 optics ensure an affordable yet effective entry-level experience.
    • Multi-coated lenses (FMC) for improved light transmission and durability.
  • Ergonomic Binocular Design

    • Compact and lightweight at 530g (without battery), perfect for long-duration use.
    • Adjustable eyepiece distance for personalized comfort and improved image fusion.
    • Helmet-mount compatible with fine-tuning options for optimal eye alignment.
  • Smart and Efficient Features

    • Flip-up auto shut-off and flip-down auto power-on for energy efficiency and convenience.
    • Built-in infrared (IR) illuminator for enhanced visibility in total darkness.
    • Intuitive controls with ON/OFF/IR modes for simple operation.
  • Rugged and Versatile Build

    • Solid rugged polymer body with an IP67 waterproof rating for reliability in challenging environments.
    • Manual gain control for brightness adjustments to suit various lighting conditions.
    • Aluminum G24-style helmet mount included for hands-free usability, with no hidden costs.
    • Backup power interface for extended usage when needed.

Technical Specifications

  • Magnification: 1X
  • Field of View: 40°
  • Eyepiece Diameter: 25mm
  • Eye Relief: 25-40mm (full FOV)
  • Optical Aperture: F1.18, 22.5mm
  • Focus Range: 0.25m – ∞
  • Diopter Adjustment: -6 to +2 SD
  • Battery Type: AA
  • Battery Life: Over 10 hours of continuous use
  • Weight: 530g (without battery)
  • Environmental Rating: IP67 waterproof

Why Choose the Lunar Edge B2 PVS-31?

The Lunar Edge B2 PVS-31 offers the perfect balance of performance and affordability, making it an ideal entry-level choice for binocular night vision. With its 1400FOM tubes, dependable optics, and rugged design, this model ensures users can confidently operate in low-light conditions. The included aluminum G24-style helmet mount ensures seamless hands-free functionality without any additional cost, making this an unbeatable value for tactical operators, enthusiasts, and adventurers alike.

Affordable. Reliable. Adaptable.

General Tube Parameters

Parameter Measured Value Unit
Signal-to-Noise Ratio (SNR) 23.11
Figure of Merit (FOM) 1,400
Cathode Sensitivity (2856K) 721 μA/lm
Radiant Sensitivity (800nm) 71 mA/W
Radiant Sensitivity (850nm) 52 mA/W
Max. Output Brightness 6.07 cd/m²
Luminance Gain 10,400 cd/m²/Lx
Resolution (Center) 64 Lp/mm
Resolution (Peripheral) 64 Lp/mm
M∙T∙F (2.5 Lp/mm) 93 %
M∙T∙F (7.5 Lp/mm) 72 %
M∙T∙F (15 Lp/mm) 53 %
M∙T∙F (25 Lp/mm) 34 %
Equivalent Background Illumination (EBI) 0.18 μLx
Operational Life 10,000 h
Uniformity 1.4