Fortuna General Bino 75S3 product image

Fortuna General Bino 75S3

The GENERAL BINO 75S3 is a thermal bi-ocular made by Fortuna and is part of the General Bino series.


The General Bino 75S3 contains a crisp 75mm f/1 objective lens focusing the available thermal radiation. The field of view on this thermal bi-ocular is 5 by 3.7 degrees. The eye relief distance is measured at 25mm.

Behind the lens of the General Bino 75S3 you can find the (uncooled, 17 micrometer) 384 x 288 pixels thermal core refreshing the image at 50Hz. The thermal contrast (NETD) of this thermal bi-ocular is <50mK and it's operating within the 7.5µm to 14µm infrared spectrum.

The physical dimensions of this thermal bi-ocular read 155 x 95 x 185mm (lwh) weighing in at 850 grams. This device is rated IP66. It handles dust, shocks and water (splashes). It's rated for operating in temperatures between -30°C and 50°C.

The General Bino 75S3 is built to be used in scanning and surveillance, police operations and search and rescue.


  • Encoder wheel for fast adjustments
  • Interchangeable lenses
  • Compatible with Fortuna LRF
  • Bayonet lens mount
  • Compact and light-weight
  • Dust and water resistant
  • Video output
  • Battery life up to 5 hours
  • Compatible with tactical helmets and head mounts
Lens75 mm
Diopter adjustment-5 +5
Eye relief distance25 mm
Optical zoom6.3 x
FOV (h/v)5 ° / 3.7 °
Focus range5m to infinity
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch17 µm
Sensitivity50 mK
Spectral range7.5 µm / 14 µm
Display resolution (h/v)800 pixels / 600 pixels
Refresh rate50 Hz
Output screen colorFull color
Dimensions (l/w/h)155 mm / 95 mm / 185 mm
Weight850 g
Number of batteries2
Battery life5 hours
Operating temperature-30 °C / 50 °C
Environmental ratingIP66
Law enforcement
Search & rescue
Fire fighting


Part of General Bino series