ATN THOR 4 640 4-40X product image
Type: Weapon sight
Resolution: 640 x 480 pixels
Brand: American Technologies Network
Series: ThOR 4

ATN THOR 4 640 4-40X

The THOR 4 640 4-40X is a thermal imaging weapon sight made by ATN and is part of the ThOR 4 series. It utilizes a 640 x 480 pixels thermal core with a refresh rate of 60Hz, the field of view of this weapon sight is 8.3 x 6.2 degrees.

This new line of thermal scopes combines the classic features that set ATN apart from the competition, with new abilities unique to this line. These scopes combine aspects like recoil activated video, a one shot zero, and ultra-low power consumption (up to 16hrs of use), with new tools like a dual stream video (hunt, record and stream at the same time), and a new ultra-sensitive next generation thermal sensor which lets you view and record at never before seen high resolution.

In addition, the ThOR 4 series of thermal rifle scopes features a suite of applications like a built in Smart Range Finder, and it features recoil resistant components and an expandable MicroSD slot that lets you record up to 64 gigabytes of photo and video on your device, all within the classic ergonomic ThOR series build.


  • Multiple sensors available
  • Record Video
  • WiFi Dual Stream Video
  • Ballistic Calculator
  • Recoil Activated Video (RAV)
  • One Shot Zero
  • Profile Manager
  • Smart Range Finder
  • Dual Core Processor
  • Share on Social Media
  • Bluetooth
  • Ultra Low Power Consumption
  • Smooth Zoom
  • Electronic Compass

THOR 4 640 4-40X Specifications

Eye relief distance90 mm
Optical zoom4 x
Digital zoom10 x
FOV (h/v)8.3 ° / 6.2 °
Thermal typeUncooled
Sensor resolution (h/v)640 pixels / 480 pixels
Pixel pitch17 µm
Display resolution (h/v)1280 pixels / 960 pixels
Refresh rate60 Hz
Image polarityBlack hot, white hot, color mode
Startup time3 seconds
Reticle detailsMultiple Patterns
Rail details30mm standard rings
Package contentsEyecup, standard rings, L-shape ring, scope cover, USB-C cable, lens tissue
Dimensions (l/w/h)375 mm / 76 mm / 76 mm
Weight1060 g
Number of batteries1
Battery life18 hours
Operating temperature-28 °C / 48 °C
Environmental ratingWeather resistant
Law enforcement
Search & rescue
Fire fighting


ThOR4 manual
4.77 mb

More devices in ThOR 4 series

Manufactured by ATN
ATN is a leading manufacturer of precision optics that includes Night Vision, Daytime Scopes, Thermal Imaging and Binoculars. We live in an era of technological advance and precision.
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