InfiRay CL42 product image

InfiRay CL42

The CL42 is a thermal clip-on made by InfiRay and is part of the Clip C series.


The CL42 comes with a quality 42mm lens to capture thermal signatures. The FOV on this thermal clip-on reads 8.9 x 6.7 degrees. It comes with a 4x digital zoom to get additional details.

Inside the housing of the CL42 you'll find the (uncooled, 17µm) 384 by 288px thermal imaging sensor with a refresh rate of 50Hz. The NETD (Noise Equivalent Temperature Difference) of this thermal clip-on is <40mK.

The dimensions of this thermal clip-on are 154 x 61 x 58mm (length/width/height) and weighs 420g. This device is rated IP66. It can withstand dust, shocks and water (splashes).

The CL42 is suitable for surveillance missions, hunting and law enforcement.



  • OLED Display
  • Ultraclear Image Algorithm
  • Dual use (Monocular and Clip-On)
  • Stadiametric Rangefinder
  • Wireless Remote Control
  • Motion Sensor And Digital Compass


Lens42 mm
Diopter adjustment-5 +5
Optical zoom2.9 x
Digital zoom4 x
FOV (h/v)8.9 ° / 6.7 °
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch17 µm
Sensitivity40 mK
Display resolution (h/v)1024 pixels / 768 pixels
Refresh rate50 Hz
Output screen colorFull color
Dimensions (l/w/h)154 mm / 61 mm / 58 mm
Weight420 g
Number of batteries2
Battery life4 hours
Environmental ratingIP66
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 444 meters 111 meters 55 meters
Person 1564 meters 391 meters 195 meters
Vehicle 3788 meters 947 meters 473 meters

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


InfiRay Clip C CL42
InfiRay Clip C CL42
InfiRay Clip C CL42
InfiRay Clip C CL42


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