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Product Discontinued by Manufacturer
Armasight Prometheus 640 3-24x75mm Thermal Imaging Monocular w/FLIR Tau 2 has been discontinued by Armasight and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Thermal Imaging, Thermal Imaging Monoculars yourself to try and find the perfect replacement for you!
Product Info for Armasight Prometheus 640 3-24x75mm Thermal Imaging Monocular w/FLIR Tau 2
The Armasight Prometheus 640 3-24x75 (30 Hz) Thermal Imaging Monocular, FLIR Tau 2 640x512 (17 micron) 30Hz Core, 75mm Lens is great for mission use with its state-of-the-art technology and features. This thermal imaging monocular engineered by the experts Armasight features the FLIR Tau 2 VOx microbolometer core. The Armasight Prometheus 3 640x512 Waterproof Thermal Monocular w/ FLIR Tau 3 allows you to detect targets by cutting through snow, dust, smoke, fog, haze, and other atmospheric obscurants. The Armasight Monocular is a solid state, uncooled, long-wave infrared, magnified, dedicated handheld thermal imager intended for day and nighttime missions. Sophisticated, light and compact, the Armasight Prometheus 3 640x512 Thermal Imaging Monocular is the way to go.![]()

Specifications for Armasight Prometheus 3 640x512 Waterproof Thermal Monocular w/ FLIR Tau 3:
| Magnification (NTSC/PAL): | 2.7x / 3.2x |
| Objective Lens Type: | Germanium |
| Type of Focal Plane Array: | FLIR Tau 2 |
| Pixel Array Format: | 640x512 |
| Pixel Size: | 17 μm |
| Color: | White Hot/ Black Hot/ Rainbow/ Various Color modes |
| Resolution: | 0.23 mrad |
| Display Type: | AMOLED SVGA 060 |
| Controls: | Direct |
| Field of View - ang. (X / Y): | 4.3 / 3.3 |
| Objective Focal Length: | 75 mm |
| Objective F-number: | 1:1.3 |
| Exit Pupil Diameter: | 10 mm |
| Eye Relief: | 45 mm |
| Focusing Range: | 10 to infinity |
| Power Supply: | 2x CR123A (3V) |
| Environmental Rating: | Waterproof |
| Operating Temperature: | -40 to +50°C (-40 to +122°F) |
| Battery Life at 20°C (68°F): | 4 Hrs |
| Storage Temperature: | -50 to +70°C (-58 to +158°F) |
| Dimensions: | 275x70x75 / 10.9x2.7x2.9 (mm/in) |
| Weight: | 0.65 / 1.4 (kg/lbs) |
| Warranty: | 3 Years on the System, 10 Years on the FLIR Detector |
Features of Armasight Prometheus 3 640x512 Thermal Imaging Monocular:
- Easy and Intuitive Drop-down user interface
- Digital E-Zoom: 1x, 2x, 4x and 8x
- Color Modes: White Hot/ Black Hot/ Rainbow/ Various Color modes
- Extended operation time with optional external battery power supply
- Recording: video output /optional Video Recorder with onboard replay
- Waterproof, CNC machined aircraft-aluminum alloy construction
- Rapid start-up
Package Contents:
- Armasight Prometheus 3 640x512 Thermal Imaging Monocular
- Objective Lens Cap
- Eyecup
- Battery Cassette
- CR123 Lithium Battery
- Operation and Maintenance Manual
- Advanced Wireless remote control (AWREC)
- Picatinny Adapter for Advanced Wireless Remote Control
- Carrying Case
Thermal Monocular Accessories






























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Armasight Prometheus 640 3-24x75mm Thermal Imaging Monocular w/FLIR Tau 2 Unavailable & Discontinued Models
List of Unorderable Models
- Armasight Prometheus 3 Thermal Imaging Monocular, FLIR Tau 2 - 640x512, 30Hz Core, 75mm Lens TAT163MN7PROM31 , MPN: TAT163MN7PROM31 , UPC: 849815001730 , Code: 0A-THM-TAT163MN7PROM31


























