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Observation & Surveillance

Thermal Imaging
& Thermal Cameras

Make heat radiation visible – infrared technology for hunting, wildlife observation, security and building thermography.

Infrared Technology

Heat radiation is converted into visible images – works in complete darkness

Resolutions up to 1280×1024

From compact 256×192 to high-resolution 1280×1024 sensors

Brands in Stock

Pulsar, Pixfra and other leading thermal imaging manufacturers

Swiss Warehouse

Fast delivery directly from our warehouse in Switzerland

At a Glance
  • Infrared sensors capture heat radiation regardless of lighting conditions
  • Sensor resolutions from 256×192 to 1280×1024 pixels available
  • Frame rates from 25 Hz to 50 Hz for smooth imaging
  • NETD values from 25 mK for detecting the finest temperature differences
  • Monoculars, clip-on attachments and handheld cameras in stock
  • Applications: hunting, wildlife observation, security, rescue, building inspection
  • Integrated photo and video recording on many models
  • Wi-Fi connectivity for streaming to smartphone or tablet
  • Price range from CHF 823 to CHF 6,373
  • Free shipping from CHF 100 in the Swiss online shop

Thermal Imaging Devices – Making Invisible Heat Visible

Thermal imaging devices (also known as thermal cameras or thermographic cameras) convert infrared radiation into visible images. Every object with a temperature above absolute zero emits heat radiation – and this radiation is captured by the sensor and displayed as a colour-coded image. The warmer an object, the brighter or more intense it appears on the display. This allows reliable detection of living beings, vehicles or thermal bridges even in complete darkness, fog or smoke.

Unlike night vision devices that amplify residual light, thermal imagers operate completely independently of ambient light. They require neither moonlight nor artificial illumination and do not emit any visible light themselves. This makes them the first choice for professional applications in hunting, wildlife monitoring, security and building thermography.

Buying Guide – Thermal Imaging Devices

Sensor Resolution

The infrared sensor resolution determines how detailed the thermal image appears. Entry-level devices typically work with 256×192 pixels – sufficient for basic detection at short to medium distances. Devices with 384×288 or 640×512 pixels deliver significantly sharper images and allow reliable identification at greater distances. Top models with 1280×1024 pixels are suited for professional applications where every detail counts.

NETD – Thermal Sensitivity

The NETD value (Noise Equivalent Temperature Difference) indicates how fine a temperature difference the sensor can resolve. An NETD of 40 mK is well suited for most applications, while values below 25 mK reveal even the subtlest temperature differences – for example in building thermography or detecting camouflaged animals.

Form Factor: Monocular, Clip-On or Handheld

Monoculars are ideal for hand-held observation and can be operated with one hand. Clip-on attachments mount in front of an existing riflescope, turning it into a thermal riflescope – a flexible solution for hunters. Handheld cameras often offer the widest range of features with built-in screens and are suited for inspections and professional documentation.

Frame Rate

The frame rate (Hz) determines how smoothly the image is displayed. 25 Hz is sufficient for stationary observation, while 50 Hz delivers a noticeably smoother image when tracking moving targets or panning the device. For hunting applications, a higher frame rate is recommended.

Areas of Use

Thermal imaging devices are used wherever heat sources need to be detected – regardless of lighting conditions. In hunting, they serve for game detection and tracking; in wildlife observation, for spotting nocturnal animals. Security services use them for perimeter surveillance, and search-and-rescue teams locate missing persons in difficult terrain or at night. In building technology, thermal cameras reveal leaks and thermal bridges.

Tip: When buying, pay particular attention to the combination of sensor resolution and lens focal length. A high-resolution sensor with a short focal length provides a wide field of view, while a longer focal length increases detection range – ideal for long distances in hunting or surveillance.
ProductTypeResolutionRangePrice
Pixfra Mile 2 M215Monocular256×1921,015 mCHF 823
Pixfra Mile 2 M625Monocular640×5121,908 mCHF 2,142
Pulsar Axion 2 XQ35 ProMonocular384×2881,300 mCHF 2,720
Dark30 DK35 ProMonocular384×2881,800 mCHF 3,050
Pulsar Merger LRF XQ35Binocular384×2881,800 mCHF 6,373

Why Thermal Imagers from Swiss-Sale.ch?

Our range includes thermal imaging devices from leading manufacturers such as Pulsar, Pixfra and Dark30. From compact entry-level monoculars to professional binoculars with laser rangefinders, you will find the right solution for your needs.

  • ✓ Wide selection from entry-level to professional models (CHF 823–6,373)
  • ✓ Renowned brands: Pulsar, Pixfra, Dark30
  • ✓ Personal expert advice and fast delivery from Switzerland
  • ✓ Free shipping from CHF 100

FAQ – Thermal Imaging Devices

What is the difference between a thermal imager and a night vision device?

Thermal imagers capture infrared heat radiation and work in complete darkness without any light source. Night vision devices amplify existing residual light (moon, stars) and therefore require a minimum of ambient light or an IR illuminator. Thermal technology detects living beings more reliably as it displays temperature differences.

What sensor resolution do I need?

For basic observation at short to medium distances (up to approx. 500 m), 256×192 pixels are sufficient. For reliable identification at greater distances, 384×288 or 640×512 pixels are recommended. Resolutions of 1280×1024 pixels are suited for professional inspections and long-range surveillance.

Can I use a thermal imager during the day?

Yes, thermal imagers work just as well during the day as at night. They detect temperature differences regardless of light. However, contrasts are lower in direct sunlight as surfaces heat up and the temperature differential to living beings decreases.

What does NETD mean and what value is good?

NETD stands for Noise Equivalent Temperature Difference and describes the thermal sensitivity of the sensor in millikelvin (mK). The smaller the value, the finer the temperature differences that become visible. Values below 40 mK are good, below 25 mK are considered excellent.

Are thermal imagers freely available in Switzerland?

Yes, thermal imaging devices are freely available in Switzerland and may be purchased and owned without special permits. Use for hunting is subject to cantonal hunting laws – please check the applicable regulations in your canton before use.

Discover Thermal Imaging Devices Now

Pulsar, Pixfra & Dark30 thermal technology – free shipping from CHF 100.

Pulsar Wildlife Alaris XG30 Thermal Monocular |...
Pulsar Wildlife Alaris XG30 Thermal Monocular |...
New
1'690.00 CHF *
Available immediately
Deliverydate:
26.03.2026 - 31.03.2026
Pulsar Wildlife Alaris XQ30 Thermal Monocular |...
Pulsar Wildlife Alaris XQ30 Thermal Monocular |...
New
1'190.00 CHF *
Available immediately
Deliverydate:
26.03.2026 - 31.03.2026
Pulsar Wildlife Lumion XL50 Thermal Monocular |...
Pulsar Wildlife Lumion XL50 Thermal Monocular |...
New
3'990.00 CHF *
Available immediately
Deliverydate:
26.03.2026 - 31.03.2026
Pulsar Wildlife Orni XG35 Thermal Monocular |...
Pulsar Wildlife Orni XG35 Thermal Monocular |...
New
2'290.00 CHF *
Available immediately
Deliverydate:
26.03.2026 - 31.03.2026
Pulsar Wildlife Ventex XP35 Thermal Binoculars | sNETD...
Pulsar Wildlife Ventex XP35 Thermal Binoculars | sNETD...
New
2'490.00 CHF *
Available immediately
Deliverydate:
26.03.2026 - 31.03.2026
Pulsar Wildlife Ventex XT50 Thermal Binoculars |...
Pulsar Wildlife Ventex XT50 Thermal Binoculars |...
New
4'590.00 CHF *
Available immediately
Deliverydate:
26.03.2026 - 31.03.2026
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