RIX RNV-31S Night Vision Binocular (Gen 2 White Phosphor, 1400-1600 FoM)

BH #RINV31S1400 • MFR #RNV-31S-1400
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RIX RNV-31S Night Vision Binocular (Gen 2 White Phosphor, 1400-1600 FoM)
Key Features
  • 1x Magnification, 40° Field of View
  • Independent Flip-Up Optical Tubes
  • Light & Strong PEEK Plastic Housing
  • Accepts Carson & RPO Lenses
Compact and lightweight with options for battery power, the RNV-31 Night Vision Binocular from RIX OPTIC lets you see clearly in low light or darkness. The Gen 2 white phosphor light intensifier tubes deliver a 1400-1600 figure of merit for a clear view, while the 1x magnification, 27mm f/1.2 lenses offer a 40° field of view and can focus as close as 10" away. An infrared illuminator supplements the intensifier tubes in total darkness, with an in-view indicator light letting you know it's on. Flip the tubes up or to the sides to power off. The RNV-31 runs approximately 20 hours on one AA battery or 25 hours on one CR123A.
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$5,199.00

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Shipping Restrictions: Sales and export of this item to South Korea are prohibited.

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RIX RNV-31S Overview

Compact and lightweight with options for battery power, the RNV-31 Night Vision Binocular from RIX OPTIC lets you see clearly in low light or darkness. The Gen 2 white phosphor light intensifier tubes deliver a 1400-1600 figure of merit for a clear view, while the 1x magnification, 27mm f/1.2 lenses offer a 40° field of view and can focus as close as 10" away. An infrared illuminator supplements the intensifier tubes in total darkness, with an in-view indicator light letting you know it's on. Flip the tubes up or to the sides to power off. The RNV-31 runs approximately 20 hours on one AA battery or 25 hours on one CR123A.

Note:
Export of this device described herein is strictly prohibited without a valid export license issued by the U.S. Department of State Directorate of Defense Trade Controls, as prescribed in the International Traffic in Arms Regulations (ITAR), Title 22, Code of Federal Regulations, Parts 120-130, and/or by the U.S. Department of Commerce Bureau of Industry Security, as prescribed in the Export Administration Regulations (EAR), Title 15, Code of Federal Regulations, Parts 730-780. For further information contact the Directorate of Defense Trade Controls and/or the Bureau of Industry Security.
Performance
  • Gen 2 white phosphor intensifier tube
  • Figure of merit is 1400-1600 for clear, high-contrast image
  • Compact 27mm f/1.2 lens system
  • 1x magnification with wide 40° field of view
  • Short 10" minimum focus distance enables user to perform tasks in the dark
  • -6 to +2 diopter adjustment keeps views sharp and clear even when the user's vision isn't perfect
Use and Construction
  • Independently pivoting optical tubes provide binocular and monocular options
  • Built-in infrared illuminator provides invisible illumination in total darkness
  • In-view IR illuminator indicator light
  • Bright light cut-off prevents damage to intensifier tube and user's eye
  • Auto shutoff
  • Accepts MIL-SPEC lenses from Carson and RPO
  • Runs on one AA battery, approximately 20 hours runtime, or one CR123A battery, 25 hours runtime
  • In-view low-battery indicator
UPC: 850042107584

RIX RNV-31S Specs

Key Specs
Lens System
27mm f/1.2
Magnification
1x
Angle of View
40° (Apparent)
Minimum Focus Distance
9.8" / 24.9 cm
Infrared Illuminator
Yes (Built-In)
Intensifier Tube
2x Gen 2 White Phosphor
Memory Card Slot
No
Battery
1x AA
 • Approx. 20-Hour Runtime
or
1x CR123A
 • Approx. 25-Hour Runtime
Performance
Lens System
27mm f/1.2
Magnification
1x
Digital Magnification
No
Angle of View
40° (Apparent)
Minimum Focus Distance
9.8" / 24.9 cm
Eye Relief
25 mm
Interpupillary Adjustment
53 to 57 mm / 2.1 to 2.2"
Diopter Adjustment
-5 to +5
Focus Type
Individual
Night Vision
Infrared Illuminator
Yes (Built-In)
Intensifier Tube
2x Gen 2 White Phosphor
Features
Bright Light Cutoff, Manual Gain
General
Display Type
No
Memory Card Slot
No
Battery
1x AA
 • Approx. 20-Hour Runtime
or

1x CR123A
 • Approx. 25-Hour Runtime
Environmental Resistance
Water-Resistant to 33' / 10.1 m (Unrated)
Operating Conditions
-40 to 122°F / -40 to 50°C
Dimensions
42.5 x 41.7 x 32.7" / 108 x 106 x 83 cm
Weight
18.3 oz / 520 g
Packaging Info
Package Weight
3.37 lb
Box Dimensions (LxWxH)
9.7 x 7.2 x 6.7"

RIX RNV-31S Reviews

See any errors on this page?

Can I run an external battery pack with this?

Can I run an external battery pack with this?
Asked by: Matthew
The RIX RNV-31S Night Vision Binocular (Gen 2 White Phosphor, 1400-1600 FoM), BH # RINV31S1400, may not be connected to an external USB battery power bank or any external battery pack.
Answered by: Mark S
Date published: 2025-10-19

mount for helmet?

mount for helmet?
Asked by: David
The RIX RNV-31S Night Vision Binocular (Gen 2 White Phosphor, 1400-1600 FoM), BH # RINV31S1400, will use the RIX Helmet Bracket (L4G24).
Answered by: Mark S
Date published: 2025-06-20
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