InfiRay Mini MH25 product image

InfiRay Mini MH25

The MINI MH25 is a thermal monocular made by InfiRay and is part of the Mini series.


The Mini MH25 houses a clear 25mm objective lens collecting thermal radiation. The default field of view on this thermal monocular measures 17.5 by 14 degrees. It has a 8 times digital zoom to enlarge (parts of) the image. It has an eye relief distance of 15mm and the exit pupil diameter measures 5mm.

Behind the lens of the Mini MH25 you can find the (uncooled, 12 micrometer) 640 x 512 pixel microbolometer refreshing the image at 50Hz. The NETD of this thermal monocular is <50mK.

The measurements of this thermal monocular read 128 x 70 x 45mm (l/w/h) and the scale reads 245 grams. It's protected against dust, shocks and water (splashes).

The Mini MH25 can be utilized in surveillance, hunting trips, law enforcement (police, border patrol etc.) and tactical operations.


  • Available with 12µm / 17µm pixel Pitch
  • HD 1280×960 display
  • Realtime 50Hz refresh rate
  • Flexible Mounting Options
  • Variety of Power Supply Options
  • Stadiametric Rangefinder
  • Inclinometer and E-Compass


Lens25 mm
Diopter adjustment-4 +5
Eye relief distance15 mm
Exit pupil diameter5 mm
Optical zoom1 x
Digital zoom8 x
FOV (h/v)17.5 ° / 14 °
Thermal typeUncooled
Sensor resolution (h/v)640 pixels / 512 pixels
Pixel pitch12 µm
Sensitivity50 mK
Display resolution (h/v)1280 pixels / 960 pixels
Refresh rate50 Hz
Output screen colorFull color
Dimensions (l/w/h)128 mm / 70 mm / 45 mm
Weight245 g
Number of batteries1
Battery life3 hours
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 375 meters 93 meters 46 meters
Person 1319 meters 329 meters 164 meters
Vehicle 3194 meters 798 meters 399 meters

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


InfiRay Mini Series
InfiRay Mini Series
InfiRay Mini Series
InfiRay Mini Series
InfiRay Mini Series
InfiRay Mini Series
InfiRay Mini Series
InfiRay Mini Series

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