Pulsar Krypton FXG50 product image

Pulsar Krypton FXG50

The KRYPTON FXG50 is a thermal clip-on made by Pulsar and is part of the Krypton series.


The Krypton FXG50 houses a clear 50mm f/1.2 objective lens collecting thermal radiation. The default field of view on this thermal clip-on measures 8.7 by 6.5 degrees.

Behind the lens of the Krypton FXG50 you can find the (uncooled, 12 micrometer) 640 x 480 pixel microbolometer refreshing the image at 50Hz.

The measurements of this thermal clip-on read 143 x 93 x 76mm (l/w/h) and the scale reads 520 grams. This device is rated IPX7. It handles temperatures between -25°C and 50°C.

The Krypton FXG50 can be utilized in hunting trips and law enforcement (police, border patrol etc.).



  • 640x480 12µm Sensor
  • Magnesium Alloy Housing
  • Quick Release Adaptor
  • 8 hours of continuous operation
  • Recoil Rated up to .375 H&H
  • IPX7 Waterproof


Lens50 mm
Optical zoom1 x
FOV (h/v)8.7 ° / 6.5 °
Thermal typeUncooled
Sensor resolution (h/v)640 pixels / 480 pixels
Pixel pitch12 µm
Display resolution (h/v)1746 pixels / 1000 pixels
Refresh rate50 Hz
Output screen colorFull color
Dimensions (l/w/h)143 mm / 93 mm / 76 mm
Weight520 g
TypeLi-Ion Battery Pack IPS7
Number of batteries1
Battery life8 hours
Operating temperature-25 °C / 50 °C
Environmental ratingIPX7
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 750 meters 187 meters 93 meters
Person 2638 meters 659 meters 329 meters
Vehicle 6388 meters 1597 meters 798 meters

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


Pulsar Krypton FXG50
Pulsar Krypton FXG50
Pulsar Krypton FXG50
Pulsar Krypton FXG50
Pulsar Krypton FXG50
Pulsar Krypton FXG50
Pulsar Krypton FXG50


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