Fenn NG700D

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NG700D
Product Page
Manufacturer(s)
Type Binocular
Tube Format MX-10160
FoV 47.5° / 47.5°
Mount Proprietary
Objective(s) AVS threaded
Eyepiece(s) PVS-14/AVS threaded


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Fenn NG700D is a binocular designed for rotary and fixed wing applications. The optics have high light gathering power and a wide field of view. This device is currently in service with the UK Ministry of Defence and Police Air Support Units.[1]

Features[edit | edit source]

  • Excellent light gathering power
  • Wide field of view
  • Available with Class A, B, C and UK645 minus blue filters
  • Uses standard 18mm MX-10160 format image intensifier tubes

Specifications[edit | edit source]

Field of View 47.5°
Eye Relief On-axis 14mm at 25mm distance
Full-field 6mm at 25mm distance
Resolution 1.2 lp/mrad minimum
System Gain 6500 fL/fL typical
Collimation <1° convergence/divergence
<0.5° dipvergence
Objective Lens EFL 23.7mm, F/1.06, T/1.14
Class A, B & C filters
Eyepiece Lens EFL 23.75mm, +2 to -4 dioptres
Interpupillary Adjustment 52 to 72mm
Fore/Aft Adjustment 20mm range
Vertical Adjustment 24mm range
Tilt Adjustment 8° minimum
Flip-up/Flip-down Spring loaded or friction pivot available
Total Weight of System 760g
Operating Temperatures -32°C to +52°C

Compatibility[edit | edit source]

The NG700D uses a proprietary helmet mounting system, which is integrated to the PAS (Pivot and Adjustment Shelf). The rest of the system closely copies the AN/AVS-6 design. NG700D optics are compatible with standard tube pods found in AN/AVS-6 and AN/AVS-9 housings.

References[edit | edit source]