Armasight Prometheus 640 2-16x42 (30Hz)

Compare specifications between the HTI HT-A3 and the Armasight Prometheus 640 2-16x42 (30Hz) thermal cameras.

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Lens 25 mm 42 mm
F-ratio n/a n/a
Diopter adjustment n/a -5 +5
Eye relief distance n/a 25 mm
Exit pupil diameter n/a 14 mm
Rear Aperture n/a n/a
Optical zoom n/a 1.5 x
Digital zoom 4 x 8 x
FOV : Hor 14.9 ° 14.8 °
FOV : Ver 11.2 ° 11.8 °
Focus range n/a 5m to infinity
Thermal details
Thermal type Uncooled Uncooled
Sensor resolution : Hor 384 pixels 640 pixels
Sensor resolution : Ver 288 pixels 512 pixels
Pixel pitch 17 µm 17 µm
Sensitivity 50 mK n/a
Spectral range : Min 8 µm n/a
Spectral range : Max 14 µm n/a
Display resolution : Hor 1024 pixels 640 pixels
Display resolution : Ver 768 pixels 480 pixels
Refresh rate 50 Hz 30 Hz
Image polarity White hot, black hot, iron red, rainbow White Hot, Black Hot, Fusion, Rainbow, Globow, Ironbow 1, Ironbow 2, Sepia, Color 1, Color 2, Ice-Fire, Rain, and OEM Custom
Output screen color Full color Full color
Video formats n/a n/a
Startup time 3 seconds 3 seconds
Package contents n/a Video Cable, Battery Cassette, Soft carrying Case, Packing Box, Lens Tissue, Two Lithium Battery CR123A, Instruction Manual with Warranty Card, AWReC (Advanced Wireless Remote Control) #94, Picatinny adapter for AWReC (Advanced Wireless Remote Control)
Additional details n/a n/a
Size & weight
Dimensions : Length 186 mm 194 mm
Dimensions : Width 69 mm 68 mm
Dimensions : Height 68 mm 62 mm
Weight 440 g 550 g
Type Lithium-ion CR123 Lithium 3V or CR123 type rechargeable batteries
Number of batteries 1 2
Battery life 6 hours 4 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature : Minimum n/a -40 °C
Operating temperature : Maximum n/a 50 °C
Storage temperature : Minimum -20 °C -50 °C
Storage temperature : Maximum 60 °C 70 °C
Environmental rating IP66

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