Electro-Optics
NIGHT SEEKER M-640
Rugged 640 x 480 Cooled Thermal Night Vision Camera System
The NIGHT SEEKER M-640 is a rugged thermal camera system for military and paramilitary surveillance in airborne, ground, and naval applications. It supports day and night operation, including hazy or misty conditions, and uses a 640 x 480 InSb focal plane array. The camera can be controlled through a communications protocol or discrete signals, locally or remotely using the Remote Control Unit. A 2x or 2.5x onboard digital zoom is standard; an optional 2.5x optical doubler/expander is available.
Technical Specifications
Mechanical Specifications
| Overall Length | 390mm |
| Maximum Height | 170mm |
| Maximum Width | 150mm |
| Weight | 5.5kg |
| Construction | Aluminium, hard black anodized with gloss white epoxy finish |
| Environment | MIL SPEC according to MIL-STD-810 and MIL-STD-461 |
| Operating Temperature | -32°C to +64°C |
| Noise Level | Inaudible at 25m |
| Mounting | 1/4-inch Whitworth |
| Hardpoint | Available as an optional extra |
Optical Specifications
| Objective Lens | 22 to 275mm F/5.5 continuous zoom |
| Horizontal Field of View | 25° to 2° |
| Vertical Field of View | 18.75° to 1.5° |
| Focus | 5m to infinity |
| Digital Zoom | 2x or 2.5x onboard, standard |
| Optical Doubler/Expander | 2.5x available as an optional extra |
Electrical Specifications
| Focal Plane Array | InSb |
| Spectral Range | 3 to 5 microns |
| Number of Pixels | 640 x 480 |
| NETD | ≤20mK at ambient temperature |
| Cooling | Micro Stirling engine |
| Noise Level | Inaudible at 50m |
| Frame Rate | 60Hz |
| Analog Video Output | CCIR or RS-170 |
| Digital Video Output | 14-bit RS422 or LVDS |
| External Connection | 13-pin Amphenol connector from Remote Control Unit |
| External Controls | On/off toggle, focus momentary switch, digital zoom momentary switch, NUC momentary switch, video polarity momentary switch |
| Camera Power Source | 28V DC standard or optional 12V DC, derived from mains input in Remote Control Unit |
| Consumption | 35W maximum |
| Mains Power Input | 90 to 230V AC |
Standard Supply Package
Remote Control Unit with cables
Hard-shell carrying case
Operator’s manual
Modular Accessories & Optional Extras
Onboard digital compass
Global Positioning Systems
Video tracking software
Gimbals
Solid-state laser rangefinder
Soft carrying bag
2.5x optical doubler/expander
Hardpoint