Electrooptic STRIX 355 product image

Electrooptic STRIX 355

The STRIX 355 is a thermal monocular made by Electrooptic and is part of the STRIX 3 series.


The STRIX 355 houses a clear 55mm f/1 objective lens collecting thermal radiation. The default field of view on this thermal monocular measures 7.6 by 5 degrees. It has a 4 times digital zoom to enlarge (parts of) the image. The exit pupil diameter measures 30mm.

Behind the lens of the STRIX 355 you can find the (uncooled, 12 micrometer) 384 x 288 pixel microbolometer refreshing the image at 50Hz. The NETD of this thermal monocular is <40mK and it's operating within the 8µm - 14µm infrared wavelengths.

The measurements of this thermal monocular read 173 x 80 x 65mm (l/w/h) and the scale reads 680 grams. 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 355 can be utilized in surveillance, hunting trips, law enforcement (police, border patrol etc.) and SAR (Search and Rescue) operations.


  • Picture in Picture (PiP)
  • 5 color palettes
  • Record videos to microSD card
  • Up to 4x smooth digital zoom
  • Advanced image processing
  • Store up to 6 user profiles
Lens55 mm
Diopter adjustment-4 +3
Exit pupil diameter30 mm
Optical zoom5.5 x
Digital zoom4 x
FOV (h/v)7.6 ° / 5.0 °
Focus range10m 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 contents18650 battery, MicroSD card, soft cleaning tissue, manual, carrying bag
Dimensions (l/w/h)173 mm / 80 mm / 65 mm
Weight680 g
Number of batteries1
Battery life5 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature-20 °C / 50 °C
Environmental ratingIPX6


Electrooptic Strix 3
Electrooptic Strix 3
Electrooptic Strix 3
Electrooptic Strix 3
Electrooptic Strix 3

Part of STRIX 3 series