Night Optics USA Observer 320 (25mm) product image

Night Optics USA Observer 320 (25mm)

The OBSERVER 320 (25MM) is a thermal monocular made by Night Optics USA and is part of the Observer 320 series.

Description

The Observer 320 (25mm) packs a quality 25mm f/1 lens to capture thermal radiation. The field of view (FOV) on this thermal monocular reads 9.15 x 6.87 degrees. It's equipped with a 2x digital zoom to capture additional details.

Inside the housing of the Observer 320 (25mm) you'll find the (uncooled, 25µm) 384 by 288px sensor with a refresh rate of 60Hz. It's operating between the 8µm and 14µm wavelengths.

The dimensions of this thermal monocular are 182 x 97 x 68mm (length/width/height) and weighs in at 470g. It can withstand dust and shocks. Operating temperatures range between -20°C and 50°C.

The Observer 320 (25mm) can be used for surveillance missions, hunting, law enforcement and search and rescue operations.

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Features

  • Works Day & Night
  • Image & Video Capture
  • Image & Video Outputs to 320x240
  • Real time Object Tracking
  • SD Card Storage
  • 2x Digital Zoom
  • USB & Video Out
  • Battery or External Power
  • 9 Selectable Color Palette Options
  • 3 Selectable Crosshair Options

Specifications

Lens25 mm
F-ratio1.0
Optical zoom1 x
Digital zoom2 x
FOV (h/v)9.15 ° / 6.87 °
Focus range5m to infinity
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch25 µm
Spectral range8 µm / 14 µm
Display resolution (h/v)640 pixels / 480 pixels
Refresh rate60 Hz
Image polarityBlack Hot / White Hot / Multi-color
Output screen colorFull color
Video formatsNTSC & PAL
Package contentsObserver 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
Dimensions (l/w/h)182 mm / 97 mm / 68 mm
Weight470 g
TypeAA
Number of batteries4
Battery life3 hours
Replaceable
Surveillance
Hunting
Law enforcement
Search & rescue
Military
Fire fighting
Dustproof
Shockproof
Waterproof
Submersible
Operating temperature-20 °C / 50 °C

DRI Ranges

DRI stands for Detection, Recognition and Identification and is based on the widely used Johnson's criteria.

  • Detection Detect if an object is present
  • Recognition See what type of object it is (i.e. person, vehicle, airplane)
  • Identification For example see if someone is a friend or foe
Detection Recognition Identification
Rabbit 180 meters 45 meters 22 meters
Person 633 meters 158 meters 79 meters
Vehicle 1533 meters 383 meters 191 meters

Please note that these values are calculated, always consult the manufacturer for official range numbers.

Gallery


Night Optics Observer 320 (25mm)
Night Optics Observer 320 (25mm)
Night Optics Observer 320 (25mm)

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More in Observer 320 series