Armasight Helios 336 3-12x42 (30Hz) product image

Armasight Helios 336 3-12x42 (30Hz)

The HELIOS 336 3-12X42 (30HZ) is a thermal bi-ocular made by Armasight and is part of the Helios series.


The Helios 336 3-12x42 (30Hz) comes equipped with a clear 42mm f/1 lens to capture thermal signatures. The FOV on this thermal bi-ocular measures 7.8 x 5.9 degrees. It comes with a 4x digital zoom to get additional details. It has an eye relief distance of 16mm and the exit pupil diameter is 14mm.

Inside the housing of the Helios 336 3-12x42 (30Hz) you'll find the (uncooled, 17µm) 333 by 256 pixel thermal sensor with a refresh rate of 30Hz.

The measurements of this thermal bi-ocular are 238 x 100 x 62mm (l/w/h) and weighs 800g. It's protected against dust, shocks, water (splashes) and submersion under water. It handles temperatures between -40°C and 50°C.

The Helios 336 3-12x42 (30Hz) is built for surveillance, law enforcement (police, border patrol etc.), SAR (Search and Rescue) operations and the military.



  • User selectable NTSC or PAL format
  • Easy and Intuitive Drop-down user interface
  • Digital E-Zoom:1x, 2x and 4x
  • Color Modes: White Hot/ Black Hot/ Rainbow/ Various Color modes
  • Extended operation time with optional external battery power supply
  • Recording: video output /optional Video Recorder with onboard replay
  • CNC machined aircraft-aluminum alloy construction
  • Rapid start-up
  • Limited 3-year warranty
  • 10-year warranty on FLIR detector
  • Made in The USA


Lens42 mm
Diopter adjustment-5 +5
Eye relief distance16 mm
Exit pupil diameter14 mm
Digital zoom4 x
FOV (h/v)7.8 ° / 5.9 °
Focus range5m to infinity
Thermal typeUncooled
Sensor resolution (h/v)333 pixels / 256 pixels
Pixel pitch17 µm
Display resolution (h/v)800 pixels / 600 pixels
Refresh rate30 Hz
Image polarityWhite Hot, Black Hot, Fusion, Rainbow, Globow, Ironbow 1, Ironbow 2, Sepia, Color 1, Color 2, Ice-Fire, Rain, and OEM Custom
Output screen colorFull color
Startup time3 seconds
Package contentsVideo Cable, Battery Cassette, Packing Box, Soft carrying Case, Two Lithium Battery CR123A, Instruction Manual with Warranty Card, AWReC (Advanced Wireless Remote Control) #94, Picatinny adapter for AWReC (Advanced Wireless Remote Control)
Dimensions (l/w/h)238 mm / 100 mm / 62 mm
Weight800 g
TypeCR123A 3V
Number of batteries2
Battery life4 hours
Operating temperature-40 °C / 50 °C
Storage temperature-50 °C / 70 °C
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.


Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)
Armasight Helios Series (42mm lens)


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