Bering Optics BEAST-R product image

Bering Optics BEAST-R

The BEAST-R is a thermal scope made by Bering Optics.


The BEAST-R features a crisp 50mm f/1.2 objective lens focusing the available thermal radiation. The field of view on this thermal scope is 7.4 by 5.6 degrees. It features a 4 times digital zoom to enlarge your subject. The eye relief distance is measured at 50mm.

Behind the lens of the BEAST-R you can find the (uncooled, 17 micrometer) 336 x 256 pixels thermal core refreshing the image at 30Hz. The thermal contrast (NETD) of this thermal scope is <50mK.

The physical dimensions of this thermal scope read 250 x 70 x 75mm (lwh) weighing in at 654 grams. This device is rated IPX67. It handles dust, shocks and water (splashes). It's rated for operating in temperatures between -40°C and 50°C.

The BEAST-R is built to be used in hunting adventures and police operations.


  • FLIR High Resolution Core
  • SVGA AMOLED Display
  • Automatic/manual shutter image calibration
  • Quick-Release Weaver Mount
  • Digital zoom: 2X, 4X
  • Precise internal lens focusing mechanism
Lens50 mm
Diopter adjustment-4 +3
Eye relief distance50 mm
Optical zoom2 x
Digital zoom4 x
FOV (h/v)7.4 ° / 5.6 °
Thermal typeUncooled
Sensor resolution (h/v)336 pixels / 256 pixels
Pixel pitch17 µm
Sensitivity50 mK
Display resolution (h/v)800 pixels / 600 pixels
Refresh rate30 Hz
Output screen colorFull color
Startup time5 seconds
Reticle detailsMil-Dot or crosshair with 5 color options
Rail detailsWeaver
Package contentsQuick release Weaver Mount, Front lens flip-up protective cap, Tactical hard case, Batteries, Lens Cleaning Cloth, Instruction manual, Video cable, Rubber eye guard
Dimensions (l/w/h)250 mm / 70 mm / 75 mm
Weight654 g
Number of batteries2
Battery life4 hours
Operating temperature-40 °C / 50 °C
Environmental ratingIPX67
Law enforcement
Search & rescue
Fire fighting