HTI HT-A3 vs 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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	HTI HT-A3	Armasight Prometheus 640 2-16x42 (30Hz)
General
Lens	25 mm	42 mm
Diopter adjustment	-	-5 +5
Eye relief distance	-	25 mm
Exit pupil diameter	-	14 mm
Optical zoom	-	1.5 x
Digital zoom	4 x	8 x
Horizontal FOV	14.9 °	14.8 °
Vertical FOV	11.2 °	11.8 °
Focus range	-	5m to infinity
Thermal type	Uncooled	Uncooled
Hor. Sensor Resolution	384 pixels	640 pixels
Vert. Sensor Resolution	288 pixels	512 pixels
Pixel pitch	17 µm	17 µm
Sensitivity	50 mK	-
Spectral Range min.	8 µm	-
Spectral Range max.	14 µm	-
Hor. Display Resolution	1024 pixels	640 pixels
Vert. Display Resolution	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
Startup time	3 seconds	3 seconds
Package contents	-	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)
Size & weight
Length	186 mm	194 mm
Width	69 mm	68 mm
Height	68 mm	62 mm
Weight	440 g	550 g
Battery
Type	Lithium-ion	CR123 Lithium 3V or CR123 type rechargeable batteries
Number of batteries	1	2
Battery life	6 hours	4 hours
Replaceable
Appliances
Surveillance
Hunting
Law enforcement
Search & rescue
Military
Fire fighting
Thermography
Durability
Dustproof
Shockproof
Waterproof
Submersible
Operating temp. min	-	-40 °C
Operating temp. max	-	50 °C
Storage temp. min	-20 °C	-50 °C
Storage temp. max	60 °C	70 °C
Environmental rating	IP66

HTI HT-A3

Armasight Prometheus 640 2-16x42 (30Hz)

General

Lens

25 mm

42 mm

Diopter adjustment

-5 +5

Eye relief distance

25 mm

Exit pupil diameter

14 mm

Optical zoom

1.5 x

Digital zoom

4 x

8 x

Horizontal FOV

14.9 °

14.8 °

Vertical FOV

11.2 °

11.8 °

Focus range

5m to infinity

Thermal type

Uncooled

Hor. Sensor Resolution

384 pixels

640 pixels

Vert. Sensor Resolution

288 pixels

512 pixels

Pixel pitch

17 µm

Sensitivity

50 mK

Spectral Range min.

8 µm

Spectral Range max.

14 µm

Hor. Display Resolution

1024 pixels

640 pixels

Vert. Display Resolution

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

Startup time

3 seconds

Package contents

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)

Size & weight

Length

186 mm

194 mm

Width

69 mm

68 mm

Height

68 mm

62 mm

Weight

440 g

550 g

Battery

Type

Lithium-ion

CR123 Lithium 3V or CR123 type rechargeable batteries

Number of batteries

Battery life

6 hours

4 hours

Replaceable

Appliances

Surveillance

Hunting

Law enforcement

Search & rescue

Military

Fire fighting

Thermography

Durability

Dustproof

Shockproof

Waterproof

Submersible

Operating temp. min

-40 °C

Operating temp. max

50 °C

Storage temp. min

-20 °C

-50 °C

Storage temp. max

60 °C

70 °C

Environmental rating

IP66

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