Armasight Helios 336 HD 5-20x75 (60 Hz) product image

Armasight Helios 336 HD 5-20x75 (60 Hz)

The HELIOS 336 HD 5-20X75 (60 HZ) is a thermal bi-ocular made by Armasight and is part of the Helios HD series.


The Helios 336 HD 5-20x75 (60 Hz) uses a quality 75mm f/1 lens to capture thermal radiation. The field of view (FOV) on this thermal bi-ocular reads 4.3 x 3.2 degrees. It's equipped with a 4x digital zoom to capture additional details. The eye relief distance is 16mm and the exit pupil diameter is 14mm.

Inside the housing of the Helios 336 HD 5-20x75 (60 Hz) you'll find the (uncooled, 17µm) 336 by 256px thermal imaging sensor with a refresh rate of 60Hz.

The dimensions of this thermal bi-ocular are 272 x 102 x 89mm (length/width/height) and weighs in at 1080g. It can withstand dust, shocks, water (splashes) and submersion under water. Operating temperatures range between -40°C and 50°C.

The Helios 336 HD 5-20x75 (60 Hz) is suitable for surveillance missions, law enforcement, search and rescue operations and military operations.


  • 75mm Objective Germanium Lens Options
  • 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
  • Wireless remote control
  • CNC machined aircraft-aluminum alloy construction
  • Rapid start-up
  • Made in the USA
Lens75 mm
Diopter adjustment-5 +5
Eye relief distance16 mm
Exit pupil diameter14 mm
Digital zoom4 x
FOV (h/v)4.3 ° / 3.2 °
Focus range5m to infinity
Thermal typeUncooled
Sensor resolution (h/v)336 pixels / 256 pixels
Pixel pitch17 µm
Display resolution (h/v)800 pixels / 600 pixels
Refresh rate60 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)272 mm / 102 mm / 89 mm
Weight1080 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


Armasight Helios Series (75mm lens HD)
Armasight Helios Series (75mm lens HD)
Armasight Helios Series (75mm lens HD)
Armasight Helios Series (75mm lens HD)
Armasight Helios Series (75mm lens HD)


Part of Helios HD series