Guide IR IR517G Pro product image

Guide IR IR517G Pro

The IR517G PRO is a thermal monocular made by Guide IR and is part of the IR517 series.

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The IR517G Pro uses a quality 35mm lens to capture thermal radiation. The field of view (FOV) on this thermal monocular reads 11 x 8.3 degrees. It's equipped with a 4x digital zoom to capture additional details.

Inside the housing of the IR517G Pro you'll find the (uncooled, 25µm) 400 by 300px thermal imaging sensor with a refresh rate of 30Hz. It's operating between the 7µm and 14µm wavelengths.

The dimensions of this thermal monocular are 220 x 80 x 71mm (length/width/height) and weighs in at 787g. This device is rated IP66. It can withstand dust, shocks and water (splashes). Operating temperatures range between -10°C and 40°C.

The IR517G Pro is suitable for surveillance missions, hunting and law enforcement.


  • Interchangeable lenses (19mm, 35mm, 65mm and 80mm)
  • 16Gb onboard storage
  • WiFi streaming and file transfer
  • GPS with audio annotation
Lens35 mm
Optical zoom1 x
Digital zoom4 x
FOV (h/v)11 ° / 8.3 °
Thermal typeUncooled
Sensor resolution (h/v)400 pixels / 300 pixels
Pixel pitch25 µm
Spectral range7 µm / 14 µm
Display resolution (h/v)1280 pixels / 960 pixels
Refresh rate30 Hz
Image polarityBlack hot, white hot, red hot
Output screen colorFull color
Video formatsPAL (25Hz), NTSC (30Hz)
Startup time3 seconds
Dimensions (l/w/h)220 mm / 80 mm / 71 mm
Weight787 g
Number of batteries1
Battery life3 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature-10 °C / 40 °C
Storage temperature-30 °C / 70 °C
Environmental ratingIP66


Part of IR517 series