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Guide TK451 Thermal Imaging Night Vision Monocular

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  • Regular price R 31,999.00
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Guide TK451

Handheld Thermal Monocular

Discover the future of night vision technology with the Guide TK451 from the Gen2 Kitalpha Series. Equipped with Guide's new self-developed infrared detector and patented image processing technology, this thermal imaging monocular captures sharp imaging and comes loaded with powerful features like image and video recording, smooth zoom, pseudo-color adjustment, approximate ranging, and PIP. Personalized image observation is supported in different scene modes, while the built-in laser indicator and illuminator facilitate operation in harsh environments. Unleash the full potential of night vision with the Guide TK451.


  • 400x300@17μm IR resolution
  • 1400 m Human detection range
  • 50mm F1.2 Focal Length
  • ≤30mk @ F1 25℃ NETD
  • 7°8×5.8° FOV


Enhanced HD Thermal resolution images

The TK Kitalpha Series features a 400x300 and 640x480 thermal resolution. The 3DNR and PureIR adaptive filtering algorithm provides superior image quality and a more detailed image in complex environments.

Retrieve target information faster

Outdoor lighting

Enable the outdoor lighting function to generate the visible light images.

Laser indicating

Enable the laser indicating function to locate the object at 200m.

Delivers a professional HD view

Thanks to the full-color 0.4-inch HD display with 1280 x 960 pixels, the image is crisp and clear for comfortable observation.


Anti-Fog Eyepiece for a clearer view

This adaptive LCOS eyepiece prevents condensation or fogging and helps you maintain a clear view of the object/target.



Smooth 8x zoom capability

The 8X zoom function can be used to identify targets quick and easily from a distance.



One-click to switch between three modes

With the touch of a button easily navigate between modes to enhance objects/targets.



PIP mode- enhancing the target

The PIP mode allows you to zoom in and highlight the details of the target when you are in the complex outdoor scenes.



Multiple Color Palettes to Highlight the Target

• Six color palettes: white hot, black hot, red hot, green hot, iron red, blue heat.

• Supports a one-button switch to identify the location of the target instantly, helping to capture the target in any weather conditions.  



IP66 - Rugged and durable, quality guaranteed

The IP66 waterproof-rated certification protects the TK series from heavy-rainfall, dust, and impact - suitable for different weather conditions. It also passed UN38.3 battery certification, RoHS, CE, FCC certification, etc. Quality guaranteed.



New App with a variety of functions

The TargetIR APP provides a variety of functions, including live image and video transmission. 




Law Enforcement


Media Gallery


Infrared detector

Detector resolution and pitch

400 × 300, 17 μm

Spectral range



≤30mk @ F1 25℃


Focal length

50mm F1.02

Focusing mode

Manual focusing

Field of view

7.8° × 5.8°

Frame Rate

Output frame frequency



Optical zoom


Digital zoom

1 – 4

Visual effect

It's like viewing at a 22’‘ screen at a 1 meter


Display type

0.4'' FLCOS


1280 × 960


Monocular, exit pupil distance≥10 mm, diopter adjustment: -4 to+2

Eyepiece zoom


Video output

Digital Video


Button Function

Power / Up / Menu / Down / Photo / Video


Time setting


Watermark settings

Closed, setting of date or date and location


Upper left, Upper middle, Upper right, Closed

Restore to default


Start up

2 s

Memory capacity

16 GB


Operating temperature range

-10 ℃ to 50 ℃

Storage temperature range

-30 ℃ to 60 ℃


10 % to 95 % non-condensing


30 G at 11 ms half sine pulse (as per IEC60068-2-27)


10 Hz - 150 Hz - 10 Hz 0.15 mm (as per IEC60068-2-6)


1 m




FCC, CE, Rohs, EAC, un38.3



≤535 g

Size (L × W × H)

214 × 65 × 71 mm


Power adapter, USB cable (Type C), micro HDMI cable, lens cap, wrist strap, inner bag, shoulder strap, quick start guide

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