Fortuna General One 6L product image

Fortuna General One 6L

The GENERAL ONE 6L is a thermal weapon sight made by Fortuna and is part of the General One series.


The General One 6L spots a crisp 75mm f/1 objective lens collecting thermal radiation. The default field of view on this thermal scope is 8.3 by 6.2 degrees. It has a 8 times digital zoom to enlarge (parts of) the image. The eye relief distance is measured at 52mm.

Behind the lens of the General One 6L you can find the (uncooled, 17 micrometer) 640 x 480 pixels core refreshing the image at 25Hz. It's operating within the 7.5µm to 14µm infrared spectrum.

The physical dimensions of this thermal scope read 275 x 100 x 100mm (lwh) and the scale reads 946 grams. This device is rated IP67. It handles dust, shocks, water (splashes) and submersion under water. It's rated for operating in temperatures between -30°C and 50°C.

The General One 6L can be used in hunting adventures, police operations and tactical operations.



  • Powerful high-aperture lens
  • Silent shutterless calibration
  • Aluminum alloy housing
  • Resistant to large caliber recoil
  • Up to 10 editable, quick-switchable zeroing profiles
  • Up to 8x digital zoom
  • Multiple color palettes
  • Compatible with power banks
  • Video output
  • Compatible with Fortuna LRF


Lens75 mm
Diopter adjustment-5 +5
Eye relief distance52 mm
Optical zoom3.2 x
Digital zoom8 x
FOV (h/v)8.3 ° / 6.2 °
Focus range10m to infinity
Thermal typeUncooled
Sensor resolution (h/v)640 pixels / 480 pixels
Pixel pitch17 µm
Spectral range7.5 µm / 14 µm
Display resolution (h/v)800 pixels / 600 pixels
Refresh rate25 Hz
Output screen colorFull color
Dimensions (l/w/h)275 mm / 100 mm / 100 mm
Weight946 g
Number of batteries2
Battery life5 hours
Operating temperature-30 °C / 50 °C
Environmental ratingIP67
Law enforcement
Search & rescue
Fire fighting

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 794 meters 198 meters 99 meters
Person 2794 meters 698 meters 349 meters
Vehicle 6764 meters 1691 meters 845 meters

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


Fortuna General One
Fortuna General One
Fortuna General One


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