InfiRay Tube TL35 product image

InfiRay Tube TL35

The TUBE TL35 is a thermal weapon sight made by InfiRay and is part of the Tube series.


The Tube TL35 features a crisp 35mm objective lens focusing the available thermal radiation. The field of view on this thermal scope is 7.5 by 5.6 degrees. The eye relief distance is measured at 60mm.

Behind the lens of the Tube TL35 you can find the (uncooled, 12 micrometer) 384 x 288 pixels thermal core refreshing the image at 50Hz. The thermal contrast (NETD) of this thermal scope is <50mK.

The physical dimensions of this thermal scope read 385 x 85 x 75mm (lwh) weighing in at 900 grams. It handles dust, shocks and water (splashes).

The Tube TL35 is built to be used in hunting adventures and police operations.


  • 12µm sensor
  • Picture-in-Picture (PiP)
  • Full Aluminum Housing
  • Mounts on standard 30mm rings
  • +8 hours of continuous use
  • Up to 1800m detection range
  • Video Recording
  • WiFi image transfer


Lens35 mm
Diopter adjustment-5 +5
Eye relief distance60 mm
Optical zoom3.1 x
Digital zoom12.4 x
FOV (h/v)7.5 ° / 5.6 °
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch12 µm
Sensitivity50 mK
Display resolution (h/v)1280 pixels / 960 pixels
Refresh rate50 Hz
Output screen colorFull color
Rail details30mm scope ring
Dimensions (l/w/h)385 mm / 85 mm / 75 mm
Weight900 g
TypeBuilt-in battery pack
Number of batteries1
Battery life8 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.


InfiRay Tube series
InfiRay Tube series
InfiRay Tube series
InfiRay Tube series