Night Optics USA Observer 320 (25mm) vs Night Optics USA Observer 320 (50mm)

Compare specifications between the Night Optics USA Observer 320 (25mm) and the Night Optics USA Observer 320 (50mm) thermal cameras.

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Night Optics USA Observer 320 (25mm) Product Image
Night Optics USA Observer 320 (50mm) Product Image
General
Lens 25 mm 50 mm
F-ratio 1.0 -
Optical zoom 1 x 1 x
Digital zoom 2 x 2 x
Horizontal FOV 9.15 ° 9 °
Vertical FOV 6.87 ° 6 °
Focus range 5m to infinity 5m to infinity
Thermal type Uncooled Uncooled
Hor. Sensor Resolution 384 pixels 384 pixels
Vert. Sensor Resolution 288 pixels 288 pixels
Pixel pitch 25 µm 25 µm
Spectral Range min. 8 µm 8 µm
Spectral Range max. 14 µm 14 µm
Hor. Display Resolution 640 pixels 640 pixels
Vert. Display Resolution 480 pixels 480 pixels
Refresh rate 60 Hz 60 Hz
Image polarity Black Hot / White Hot / Multi-color Black Hot / White Hot / Multi-color
Output screen color Full color Full color
Video formats NTSC & PAL NTSC & PAL
Package contents Observer 320 Thermal Camera, Interface Cable (USB; Power; Video), (1) Set of Rechargeable Batteries & Charger, 12v DC Car Power Adaptor, External Power Adaptor 4gb SD Card, Lens Cover, Lens Cloth Hand Strap, Carrying Case w/ Shoulder Strap, Operator Manual Observer 320 Thermal Camera, Interface Cable (USB; Power; Video), (1) Set of Rechargeable Batteries & Charger, 12v DC Car Power Adaptor, External Power Adaptor 4gb SD Card, Lens Cover, Lens Cloth Hand Strap, Carrying Case w/ Shoulder Strap, Operator Manual
Size & weight
Length 182 mm 182 mm
Width 97 mm 97 mm
Height 68 mm 68 mm
Weight 470 g 470 g
Battery
Type AA AA
Number of batteries 4 4
Battery life 3 hours 3 hours
Replaceable
Appliances
Surveillance
Hunting
Law enforcement
Search & rescue
Military
Fire fighting
Durability
Dustproof
Shockproof
Waterproof
Submersible
Operating temp. min -20 °C -20 °C
Operating temp. max 50 °C 50 °C

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