Bering Optics Border Patrol 3.5x50 Thermal Hand-Held Bi-ocular Imager (BE43450)

Bering optics

$ 3,995.00 $ 5,000.00

Bering Optics Border Patrol 3.5x50 Thermal Hand-Held Bi-ocular Imager (BE43450)




The BERING OPTICS latest and most technologically-advanced BORDER PATROL is a portable thermal bi-ocular imager, that can be used as a handheld observation device  for medium- and long-range distances. BORDER PATROL features the real high-grade Germanium Opticsthat is paired with advanced Vanadium Oxide (VOx) uncooled TAU II 336x256 micro bolometer core and proprietary electronics. The device body is nitrogen-purged, and is water-, dust- and shock-proof. The device is action ready in virtually any environment including severe conditions when the environmental obscurants such as smoke, dust, haze, fog, are present. For optimum performance, there is a wide range of menu-driven options including switchable image polarity, manual screen brightness control, digital zoom. 



Well suited for medium- and long-range distances

Designed for day and nighttime missions
Automatic shatter based thermal core
Image color polarity control: White Hot / Black Hot / Colored Hot 
7 color palette options
Selectable Field of View
Interpupillary adjustment from 55mm to 71mm
Tripod mountable
Digital zoom
Ability to turn on a crosshair or mil-dot reticle
Lightweight and robust design
Smooth real-time image refresh rate

Ambient light sensor for automatic gain level control

Manual screen brightness control 
Battery status indicator
User friendly Menu System
Tactile informative button design to allow blind-folded operation
Precise internal lens focusing mechanism (mountable DVR option)
TV out connector to allow video recording

Image processing modes to increase contrast and images details:

o DDE - Digital Detail Enhancement™ for clearer imagery and edge sharpening
o ACE - Active Contrast Enhancement™ to dynamically adjust scene contrast for relative scene temperature
o SSO - Smart Scene Optimization™ to enhance extremes in a bi-modal scene
o IBHEQ - Information Based HEQ™ automatically adjusts AGC for what matters most in a scene ROHS, REACH, and WEEE compliant

Limited 3-year Warranty


Product Modification


Product SKU#


Optical Magnification, x


Digital Magnification, x

3.5x, 7.0x, 14.0х

Objective lens system


Angular FOV at 3.5x (horizonal x vertical), degree

7.4° x 5.6°

Eye relief, mm


Focus range, yds / m 

22 / 20 to infinity

Individual eye diopter setting ratio, dptr

-5 to +5

Pixel Array Format, pxl 


Pixel pitch, µm


Image refresh rate, Hz


Thermal Sensitivity (NETD), mK

< 50

Spectral Band, µm

7.5 -13.5

Display type and resolution, pxl


Time to image, max., sec.


Object type and size, approx., ft² / m²

8 / 0.75

25.8 / 2.4

Detection, approx., yds / m

1100 / 1200

2000 / 1800

Recognition, approx., yds / m

330 / 300

990 / 900

Identification, approx., yds / m

190 / 170

440 / 400

Dimensions, approx.,mm 

13.8"x5.0"x3.0" / 350x125x75

Weight with batteries,  max., oz/g

33.5 / 950

Power supply

3V CR123 (two)

Estimated battery life, hour

Up to 4 with batteries/ up to 6 with accumulators

Operating temperature range, °F/°С

-40° to +122° / -40° to +50°

Water intrusion standard


Humidity range, %

Up to 98%


In Box
  • BORDER PATROL Portable Thermal Bi-ocular Imager 
  • Front lens flip-up protective cap 
  • Soft Carrying Case 
  • Two CR123 Batteries 
  • Lens Cleaning Cloth 
  • Neck cord 
  • Instruction manual

    Export Restrictions

    While all Gen 3 and some Gen 2+ require export licenses, all night vision products are subject to United States Export rules and regulations. Valid export licenses may be issued by the U.S. Department of Commerce or the U.S. Department of State, Directorate of Defense Trade Controls, in accordance with the International Traffic in Arms Regulation (ITAR), Title 22, Code of Federal Regulation 120-130. No exceptions!!