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Photo3S™ Technical Specifications

Gimbal Features

3 axis stabilized high resolution camera

  • Roll and pitch movement at 300 degrees per second
  • -22 to 122ºF (-30 to 50ºC)
  • Range of motion:
    • Roll: +/- 30 degrees
    • Pitch: +/- 60 degrees
    • Yaw: +/- 15 degrees

Imaging Features

  • 8.4mm lens - Field-of-View37° x 29°
  • High resolution stabilized still images - colour (Photo3S) | near-infrared(Photo3S-NIR)
  • Mechanically shuttered stills at up to 1/1250 second
  • Streaming MPEG-4 video

Detection Distances

The graph belows shows detection distances for human-sized objects and car-sized objects.  A human is approximated as an object which is 1.8 m x 0.5 m.  An "Object" below is defined as 2.3 m x 2.3 m.


According to the Johnson Criteria, the minimum resolution (pixels on target) required to achieve a 50% probability that an observer can discriminate an object at a certain range to the specified level are:

  • Detection — an object is present: 2 +1/-0.5 pixels
  • Recognition — the type object can be discerned, a person vs. a car: 8 +1.6/-0.4 pixels
  • Identification — a specific object can be discerned, a woman vs. a man, the specific car: 12.8 +3.2/-2.8 pixels

Source: US Army Night Vision Lab

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