InfiRay Saim SCT35 product image

InfiRay Saim SCT35

The SAIM SCT35 is a thermal weapon sight made by InfiRay and is part of the Saim series.


The Saim SCT35 comes equipped with a clear 35mm lens to capture thermal signatures. The FOV on this thermal scope measures 7.5 x 5.7 degrees.

Inside the housing of the Saim SCT35 you'll find the (uncooled, 12µm) 256 by 192 pixel thermal sensor with a refresh rate of 50Hz. The NETD of this thermal scope is <50mK.

The measurements of this thermal scope are 195 x 61 x 61mm (l/w/h) and weighs 410g. It's protected against dust, shocks and water (splashes).

The Saim SCT35 is built for hunting trips and law enforcement (police, border patrol etc.).


Lens35 mm
Diopter adjustment-5 +5
Optical zoom2.85 x
Digital zoom11.4 x
FOV (h/v)7.5 ° / 5.7 °
Thermal typeUncooled
Sensor resolution (h/v)256 pixels / 192 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)195 mm / 61 mm / 61 mm
Weight410 g
Number of batteries2
Battery life3.5 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 525 meters 131 meters 65 meters
Person 1847 meters 461 meters 230 meters
Vehicle 4472 meters 1118 meters 559 meters

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


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