Fenn NG700D: Difference between revisions
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Fenn NG700D is a binocular designed for rotary and fixed wing applications. Its optics have a 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.<ref>https://www.fenn-night-vision.co.uk/product/nvg/ng700d.html</ref> | Fenn NG700D is a binocular designed for rotary and fixed wing applications. Its optics have a 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.<ref>https://www.fenn-night-vision.co.uk/product/nvg/ng700d.html</ref> | ||
==Features== | == Features == | ||
*Excellent light gathering power | * Excellent light gathering power | ||
*Wide field of view | * Wide field of view | ||
*Available with Class A, B, C and UK645 minus blue filters | * Available with Class A, B, C and UK645 minus blue filters | ||
==Specifications== | == Specifications == | ||
{| class="wikitable" | {| class="wikitable" | ||
|Field of View | |Field of View | ||
Revision as of 23:11, 25 November 2022
Fenn NG700D is a binocular designed for rotary and fixed wing applications. Its optics have a 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
- Excellent light gathering power
- Wide field of view
- Available with Class A, B, C and UK645 minus blue filters
Specifications
| 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 |
