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.