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Pulsar Krypton 2 FXG50 — 640×480 thermal clip-on
How far you can see a person
160 m make out detail260 m tell what it is1,042 m spot it┆ maker’s claim
501002005001k2k5k m
Calculated from the sensor's pixel pitch and the lens focal length, for clear air.

Pulsar quotes 2,300 m, 2.2× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ

PulsarClip-on · 640-class

Pulsar Krypton 2 FXG50

Approx. price
~$5,000
Sensor
640×480 · 12 µm
Lens
50 mm · 1×
Weight
20.5 oz
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Best for

Keeping your day scope and its zero while adding thermal at night

01Specifications

As published by Pulsar. Sources: pulsarnv.com, pulsarvision.com, predatorhunteroutdoors.com.

Sensor
640×480
Pixel pitch
12 µm
NETD
<40 mK
Refresh rate
50 Hz
Lens
50 mm
Base magnification
1×
Field of view
8.8° horizontal
Display
1920x1080 AMOLED
Claimed detection
2,300 m
Claim basis
1.8 m object
Run time
11 h
Battery type
Removable pack
Weight
20.5 oz
Length
5.2″
Laser rangefinder
No
Ballistic calculator
No
Records video
Yes
Wi-Fi
Yes
IP rating
IPX7
Warranty
3 years (5 with registration)
Approx. price
~$5,000

02Pros and cons

From the published specs, not owner reports.

For it
  • 640×480 sensor, 2.8× the detail of an entry-level 384
  • Swappable battery pack, so a spare doubles the run time
  • 11 h of battery, 21st-longest of 344 here
  • Waterproof (IPX7), survives a dunking
  • Records video and connects to a phone app
Against it
  • Heavy at 20.5 oz, 5th-heaviest of the 29 clip-ons here
  • 20.5 oz hanging off the front of your day scope
  • No rangefinder, so you judge distance by eye
  • ~$5,000, well above the ~$3,499 typical for clip-ons here

03Compare the FXG50

04Related units

More from Pulsar →All 640-class →All 50 mm →
AGM Rattler-C V2 50-640 — 640×512 thermal clip-on
AGM Global VisionClip-on

AGM Rattler-C V2 50-640

Est. detection
1,042 m
Maker’s claim
2,600 m
Sensor
640×512
Pitch · Hz
12 µm · 50
Lens
50 mm
Swappable battery · 19.4 oz~$3,795
ATN TICO 6 640x512 — 640×512 thermal clip-on
ATNClip-on

ATN TICO 6 640x512

Est. detection
1,042 m
Maker’s claim
3,500 m
Sensor
640×512
Pitch · Hz
12 µm · 50
Lens
50 mm
19.9 oz~$2,995
Bering Optics Super Yoter C — 640×480 thermal clip-on
Bering OpticsClip-on

Bering Optics Super Yoter C

Est. detection
1,042 m
Maker’s claim
2,290 m
Sensor
640×480
Pitch · Hz
12 µm · 50
Lens
50 mm
18.4 oz~$3,895
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