Night Optics USA Observer 320 (25mm) product image
Type: Monocular
Resolution: 384 x 288 pixels
Brand: Night Optics USA
Series: Observer 320

Night Optics USA Observer 320 (25mm)

The OBSERVER 320 (25MM) is a thermal imaging monocular made by Night Optics USA and is part of the Observer 320 series. It utilizes a 384 x 288 pixels thermal core with a refresh rate of 60Hz and features a 25mm lens, giving you a field of view of 9.15 x 6.87 degrees.

You want cutting edge features at a great value so we packed the Observer 320 Thermal Camera with awesome features like image and video capture (Note: All Photo and Video content output from this device is 640x480 resolution), OLED Display,SD Card Storage (4GB), *Real Time Object Tracking, 3 Selectable Cross Hairs (Reticles), 9 selectable display color palette options that can be used in conjunction with the Black Hot/White Hot function, Full Auto, Semi-Auto or Manual Brightness and Contrast Control, Auto and Manual Calibration, 2x Digital Zoom, USB access, NTSC Video Output and Power Options: 110-240v AC/9v DC or 4 Rechargeable AA Batteries.

The Observer 320 is covered with a removable protective rubber cover which improves shock resistance while the adjustable hand strap provides a secure grip.

Package contents include: Observer 320 thermal camera, zipper carrying/storage case with shoulder strap, 4GB SD Card, (4) 2500mAh rechargeable batteries, battery charger with LCD display and car charger cable, multi-interface cable (USB, Video Out, Etc.), external power adaptor, objective and cable interface covers, operator manual and a 2 year warranty as standard.


  • 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

Observer 320 (25mm) Specifications

Lens25 mm
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
Number of batteries4
Battery life3 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature-20 °C / 50 °C


User manual
610.62 kb

More devices in Observer 320 series

Manufactured by Night Optics USA
Night Optics USA has been making innovations in the Night Vision industry for over 18 years. We are driven to improve these technologies with our own self-developed methods of R&D. We gather input from our clients which helps us to gauge what is most important to the end-user.
Thermal Imaging cameras
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