Fortuna General Mono 50M3 product image

Fortuna General Mono 50M3

The GENERAL MONO 50M3 is a thermal monocular made by Fortuna and is part of the General Mono series.


The General Mono 50M3 packs a quality 50mm f/1.2 lens to capture thermal radiation. The field of view (FOV) on this thermal monocular reads 7.4 x 5.6 degrees. The eye relief distance is 25mm.

Inside the housing of the General Mono 50M3 you'll find the (uncooled, 17µm) 384 by 288px sensor with a refresh rate of 50Hz. The NETD (Noise Equivalent Temperature Difference) of this thermal monocular is <50mK and it's operating between the 7.5µm and 14µm wavelengths.

The dimensions of this thermal monocular are 173 x 100 x 55mm (length/width/height) and weighs in at 700g. This device is rated IP67. It can withstand dust, shocks, water (splashes) and submersion under water. Operating temperatures range between -30°C and 50°C.

The General Mono 50M3 can be used for surveillance missions, law enforcement and search and rescue operations.


  • Built-in 905nm laser rangefinder
  • Electronic compass and biaxial gyroscope
  • Lightweight, sealed body (IP67 rated)
  • Wi-Fi streaming
  • MicroSD video and photo recording
Lens50 mm
Diopter adjustment-5 +5
Eye relief distance25 mm
Optical zoom4.2 x
FOV (h/v)7.4 ° / 5.6 °
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)173 mm / 100 mm / 55 mm
Weight700 g
Number of batteries2
Battery life12 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature-30 °C / 50 °C
Environmental ratingIP67

Part of General Mono series