InfiRay AFFO AL19 product image

InfiRay AFFO AL19

The AFFO AL19 is a thermal monocular made by InfiRay and is part of the Affo series.


The AFFO AL19 contains a crisp 19mm objective lens focusing the available thermal radiation. The field of view on this thermal monocular is 13.8 by 10.4 degrees. It features a 4 times digital zoom to enlarge your subject.

Behind the lens of the AFFO AL19 you can find the (uncooled, 12 micrometer) 384 x 288 pixels core refreshing the image at 50Hz. The thermal contrast (NETD) of this thermal monocular is <40mK.

The physical dimensions of this thermal monocular read 169 x 60 x 60mm (lwh) weighing in at 350 grams. This device is rated IP67. It handles dust, shocks, water (splashes) and submersion under water. It's rated for operating in temperatures between -10°C and 50°C.

The AFFO AL19 can be used in scanning and surveillance and hunting adventures.



  • Compact Design
  • 12µm Sensor
  • Up to 9.5 hours Battery Life
  • 32GB Built-in Memory
  • HDMI Video Out
  • IP67 Protection


Lens19 mm
Diopter adjustment-3 +1
Optical zoom2 x
Digital zoom4 x
FOV (h/v)13.8 ° / 10.4 °
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch12 µm
Sensitivity40 mK
Display resolution (h/v)640 pixels / 400 pixels
Refresh rate50 Hz
Image polarityWhite hot, black hot, red hot, rainbow
Output screen colorFull color
Dimensions (l/w/h)169 mm / 60 mm / 60 mm
Weight350 g
TypeLi-ion 3.6V
Number of batteries1
Battery life7.5 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature-10 °C / 50 °C
Environmental ratingIP67

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 285 meters 71 meters 35 meters
Person 1002 meters 250 meters 125 meters
Vehicle 2427 meters 606 meters 303 meters

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


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