Bering Optics D-750UW 4.0x66 Gen 3+ L3 Elite B&W Tube Night Vision BE73750HDUW

Bering optics

$ 5,495.00 $ 6,700.00

Bering Optics D-750UW 4.0x66 Gen 3+ L3 Elite B&W Tube Night Vision BE73750HDUW

The D-750 4.0x power compact Night Vision Sight features new high definition (HD) multicoated optics, modern design, polyamide molded housing and ergonomically designed user controls. The HD optics allows the D-750 system to outperform similar systems with standard optics by providing 20% better recognition and detection ranges.

The distinct feature of the model is manual gain control of the image intensifier. The D-750 NV sight is nitrogen filled and there is a specially designed valve to refill the sight with nitrogen gas if needed.    

This NV sight provides clear and crisp images for engagements in virtually any environment or night time light conditions. The scope is superior for medium-range shooting, with outstanding accuracy in the most unfavorable conditions. Power sufficient electronics provides best in the industry battery life. 

There are three options to select image intensifier tube: a specially selected autogated Thin Film Gen 3, high-end unfilmed Gen 3+ and white phosphor based technology B&W unfilmed Gen 3+ with 64-72 lp/mm resolution.

Every sight has a laser engraved serial number for easier inventory and maintenance management.

Compact, precise, rugged and easy to use, the D-750 4.0x NV sight is the preferred choice for the professionals involved in tactical engagements.



High Definition (HD) multicoated optics - Latest development

Excellent range and detection performance
Superior for medium and long range shooting
Ergonomically designed controls 
Accurate internal focus adjustment mechanism
Manual image intensifier tube gain control
Protected against excess light exposure
Precise Windage/Elevation adjustment mechanism 
Dual color Mil-Dot red-on-green or yellow-on-green reticle with adjustable brightness
Powered by two AA batteries

Best in the industry battery life of up to 120 hours

Standard Weaver MIL-STD-1913 rail mount system 
Guaranteed zero retention on medium caliber weapons
Can be used with heavy recoil weapons
Dust proof
Nitrogen filled with ability to refill using a specially designed valve
Nitrogen gas kit available as an optional accessory
Photo/video equipment adaptable



Product Modification

D-750 4.0x66 Gen3

D-750U 4.0x66 Gen3+ 

D-750W 4.0x66 Gen3+

Product SKU#




Magnification, x


Optical system 


Image intensifier tube classification

Thin Film Gen3 
64-72 lp/mm

Unfilmed Gen3+ 
64-72 lp/mm

Unfilmed B&W Gen3+ 
64-72 lp/mm  

IIT Manual gain


Angular FOV, degree


Eye relief, min., mm


Focus range, yard/ m

7 / 6 to infinity

Diopter setting 

-4 to +3

Detection range, 6’ tall target , approx., yard/m
       -quarter moon
       -cloud cover

 / 600
550 / 500

 / 650
600 / 550

Recognition range, approx., yard/m 
       -quarter moon
       -cloud cover

470 /430
360 /330

395 /360

Reticule windage/elevation adjustment value

¼ MOA per click

At distance of 110 yard/100m

¼” / 6mm per click

Start-up time, sec.


Overall Dimensions, approx., in /mm 

9.3”x3.8”x3.1” /235х97х78 

Weight,  approx., oz/ g

32 /910

Power supply

AA batteries (two)

Estimated battery life, hour

up to 120

Operating temperature, °F/°С

-40 to +122/ -40 to +50

Water intrusion

Meets IPX67 rating

Humidity, %

up to 98%


  • NV Sight 
  • Protective carrying pouch 
  • Instruction manual 
  • Front lens rubber protective cap 
  • Standard Weaver MIL-STD-1913 rail mount system 
  • Two AA batteries 
  • Lens cleaning tissue 
  • Photo adapter (optional) 
  • Hard case (optional) 
  • Range of IR Illuminators and designators (optional)

    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!!