Electrooptic STRIX-F 35 product image

Electrooptic STRIX-F 35

The STRIX-F 35 is a thermal clip-on made by Electrooptic.


The STRIX-F 35 comes equipped with a clear 35mm f/1 lens to capture thermal signatures. The FOV on this thermal clip-on measures 12 x 8 degrees. It comes with a 4x digital zoom to get additional details. It has an eye relief distance of 10mm.

Inside the housing of the STRIX-F 35 you'll find the (uncooled, 12µm) 384 by 288 pixel thermal sensor with a refresh rate of 50Hz. The NETD of this thermal clip-on is <40mK and it's operating between the 8µm - 14µm infrared wavelengths.

The measurements of this thermal clip-on are 133 x 64 x 52mm (l/w/h) and weighs 470g. This device is rated IPX6. It's protected against dust, shocks and water (splashes). It handles temperatures between -20°C and 50°C.

The STRIX-F 35 is built for hunting trips and law enforcement (police, border patrol etc.).


  • Compact and lightweight
  • Store 6 user profiles
  • Smooth image zooming (up to 4x)
  • Picture-in-Picture (PiP)
  • Multiple color palettes
  • On-screen essential info
  • Resistant to high caliber recoil


Lens35 mm
Diopter adjustment-3 +4
Eye relief distance10 mm
Optical zoom3 x
Digital zoom4 x
FOV (h/v)12 ° / 8 °
Focus range6m to infinity
Thermal typeUncooled
Sensor resolution (h/v)384 pixels / 288 pixels
Pixel pitch12 µm
Sensitivity40 mK
Spectral range8 µm / 14 µm
Display resolution (h/v)1024 pixels / 768 pixels
Refresh rate50 Hz
Image polarity5 color palettes
Output screen colorFull color
Package contentsEyepiece, 18650 battery, User manual, carrying bag
Dimensions (l/w/h)133 mm / 64 mm / 52 mm
Weight470 g
Number of batteries1
Battery life5 hours
Operating temperature-20 °C / 50 °C
Environmental ratingIPX6
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.


Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35
Electrooptic Strix-F 35