Bering Optics BEAST-C product image

Bering Optics BEAST-C

The BEAST-C is a thermal clip-on made by Bering Optics.


The BEAST-C contains a crisp 50mm f/1.2 objective lens focusing the available thermal radiation. The field of view on this thermal clip-on is 6.5 by 5 degrees.

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

The physical dimensions of this thermal clip-on read 208 x 75 x 75mm (lwh) weighing in at 565 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-C can be used in hunting adventures and police operations.



  • High resolution AMOLED Display
  • Precise internal lens focusing mechanism
  • Manual brightness adjustment
  • Video-out connection
  • Automatic or manual Shutter Calibration
  • Nitrogen purged


Lens50 mm
Optical zoom1 x
FOV (h/v)6.5 ° / 5.0 °
Focus range5m to infinity
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
Image polarityWhite hot, black hot, red hot, colored hot
Output screen colorFull color
Startup time5 seconds
Package contentsFront lens protective cap, soft carrying case, 2xCR123 batteries, lens cleaning cloth, manual, video cable
Dimensions (l/w/h)208 mm / 75 mm / 75 mm
Weight565 g
Number of batteries2
Battery life4 hours
Operating temperature-40 °C / 50 °C
Environmental ratingIPX67
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 529 meters 132 meters 66 meters
Person 1862 meters 465 meters 232 meters
Vehicle 4509 meters 1127 meters 563 meters

Please note that these values are calculated, always consult the manufacturer for official range numbers.