Keep an overview
A wide field of view helps when scanning nearby areas: you see more of your surroundings and are less likely to lose moving animals from the image.
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Klaviyo
Track device being used
Thermal imaging device when hunting
Thermal imaging devices are the ideal supplement when hunting. It does not matter whether they are used for observation or tracking. There are a variety of thermal imaging devices, one difference is primarily in the way they are used. A distinction must be made between hand-held devices and thermal imaging attachments.
DDOPTICS / KNOWLEDGE & ADVICETHE THERMAL IMAGING GUIDE
Understanding thermal imaging devices
Which thermal imaging device is right for your hunting needs?
The biggest number is not what matters. Your view of the terrain is. Discover what really counts when choosing a thermal imaging device for hunting and wildlife observation.
Choose your viewing format. Understand sensor data. Make an informed decision.
01Your application02Your viewing format03Sensor & optics04Model comparison
Your thermal imaging device: what would you like to observe?
A thermal imaging device displays differences in thermal radiation. Its thermal channel needs neither visible light nor an IR illuminator. The features that make sense still depend on your observation situation.
Distinguish details
For closer observation, sensor resolution and optical imaging work together. High digital magnification alone does not create additional sensor detail.
Observe for longer
Viewing comfort, weight and handling become more important over time. Check that the device feels steady in your hand and that its controls are easy to reach with gloves on.
Three formats. Different tasks.
The handheld device
Thermal monocular
One eyepiece, one eye: the classic format for a quick look across the terrain. Weight and housing size vary by model.
The advantage: often compact and quick to hand.
What to consider: The eyepiece and eyecup should suit you. Not everyone finds prolonged one-eyed observation equally comfortable.
The binocular device
Thermal binoculars
Two eyepieces allow viewing with both eyes. The ATN BinoX 6 Dual offers adjustable interpupillary distance; a thermal sensor and a digital 4K camera provide different views.
The advantage: viewing with both eyes and, with the BinoX, additional digital day and night views.
What to consider: Compare size and weight. Two eyepieces do not automatically mean two thermal sensors or a stereoscopic thermal image.
Thermal clip-on device
A clip-on is a thermal attachment used with an existing optic. This distinguishes it from monoculars and binoculars, which are designed as standalone observation devices with their own eyepieces.
The difference: A clip-on forms part of a device combination. A handheld device or thermal binoculars are designed for direct observation.
Important distinction: Not every clip-on can also be used as a handheld device. The operating modes specified by the manufacturer are decisive. Use with firearms is also subject to the applicable legal requirements.
03 / Understanding sensor resolutionMore pixels.
More pixels.
More image information.
Resolution describes how many measurement points the sensor captures. This graphic shows pixel counts, not range or measured image quality.
256 × 192
49,152
384 × 288
110,592
640 × 512
327,680
1280 × 1024
1,310,720
A numerical comparison of sensor pixels. Here, a 640-class sensor has around three times as many pixels as a 384-class sensor, not automatically three times the recognition performance.
Understanding a thermal imaging device: sensor, display and optics.
Sensor resolution ≠ display resolution
A high-resolution display shows the processed image. It does not turn a 256-class sensor into a 640-class sensor.
NETD: small temperature differences
Under comparable measurement conditions, a lower value indicates higher thermal sensitivity. Optics, image processing and weather also influence the result.
Lens and field of view
With the same sensor, a longer focal length typically produces a narrower view. Higher magnification is therefore not more practical in every situation.
Pixel pitch and sensor type
12 µm describes the spacing between adjacent pixels, not the resolution. VOx stands for vanadium oxide. The material alone is not a quality verdict on the complete device.
Thermal imaging devices compared: handhelds and binoculars.
32 active observation devices from our shop, from small to high-resolution sensors. Within each brand, models are sorted by thermal sensor pixel count. This is not an overall image-quality ranking.
Prices as of 25 September 2026, 20:04 CEST. Public retail prices in the German shop, including VAT; shipping charges may apply. A snapshot: see the linked product page for the current price.
Sensor → image processing → display → eye
The sensor supplies the thermal measurement points. Image processing prepares them; the display presents them. A BinoX 225 with 256 × 192 sensor pixels therefore remains a 256-class device, even with a 1920 × 1080 display. Conversely, the 1280 class captures substantially more original sensor information. The display diagonal describes screen size, not field of view.
The sensor supplies the thermal measurement points. Image processing prepares them; the display presents them. A BinoX 225 with 256 × 192 sensor pixels therefore remains a 256-class device, even with a 1920 × 1080 display. Conversely, the 1280 class captures substantially more original sensor information. The display diagonal describes screen size, not field of view.
Making resolution visible
The coloured labels indicate the sensor class. There are no stars: they would suggest a tested overall winner that a specification comparison cannot establish.
ATN BlazeHunter XD in focus
1280 × 1024 sensor pixels and a 1920 × 1080 OLED display. This is the highest thermal sensor resolution among the models listed here: four times the pixel count of a 640 × 512 sensor. This does not mean four times the range.
Conotech 9 active models
| Model / format | Thermal sensor | Display / diagonal* | Lens | NETD / frame rate | Housing / weight* | Assessment · benefit & trade-off |
|---|---|---|---|---|---|---|
| Conotech Aquila 325Handheld€900.00German shop price · incl. VAT | 384 × 288384 class · mid-range | OLED, 1024 × 768 | 25 mm | Not documentedFrame rate: Not documented | Not documentedWeight: Not documented | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| Conotech Aquila 335Handheld€1,090.00German shop price · incl. VAT | 384 × 288384 class · mid-range | OLED, 1024 × 768 | 35 mm | To clarify: shop < 15 / manual < 20 mKFrame rate: Not documented | approx. φ61 × 179 mmWeight: approx. 540 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| Conotech Aquila 350LIIRHandheld€1,799.00German shop price · incl. VAT | 384 × 288384 class · mid-range | Not documented | 50 mm | Not documentedFrame rate: Not documented | Not documentedWeight: Not documented | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| Conotech Lipot 325LRFHandheld€1,219.00German shop price · incl. VAT | 384 × 288384 class · mid-range | OLED | 25 mm | < 20 mKFrame rate: 50 Hz | Not documentedWeight: Not documented | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| Conotech Lipot 335LRFHandheld€1,399.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 0.49" OLED, 1920 × 1080 pixels | 35 mm | < 15 mKFrame rate: 50 Hz | Not documentedWeight: under 300 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| Conotech Aquila PRO 635Handheld€1,799.00German shop price · incl. VAT | 640 × 512640 class · high resolution | OLED, 1024 × 768 | 35 mm | Not documentedFrame rate: Not documented | Not documentedWeight: Not documented | More thermal image information than 384 × 288; optics and processing remain decisive. |
| Conotech Aquila PRO 650Handheld€2,249.00German shop price · incl. VAT | 640 × 512640 class · high resolution | Not documented | 50 mm | Not documentedFrame rate: Not documented | Not documentedWeight: Not documented | More thermal image information than 384 × 288; optics and processing remain decisive. |
| Conotech Aquila PRO 650LIIRHandheld€2,499.00German shop price · incl. VAT | 640 × 512640 class · high resolution | OLED 1024 × 768 pixels | 50 mm | Not documentedFrame rate: Not documented | Not documentedWeight: Not documented | More thermal image information than 384 × 288; optics and processing remain decisive. |
| Conotech Lipot 635LRFHandheld€1,899.00German shop price · incl. VAT | 640 × 512640 class · high resolution | OLED | 35 mm | < 20 mKFrame rate: 50 Hz | Not documentedWeight: Not documented | More thermal image information than 384 × 288; optics and processing remain decisive. |
ThermTec 10 active models
| Model / format | Thermal sensor | Display / diagonal* | Lens | NETD / frame rate | Housing / weight* | Assessment · benefit & trade-off |
|---|---|---|---|---|---|---|
| ThermTec Cyclone 315Handheld€849.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 0.39-inch AMOLED, 1024 x 768 pixels | 15 mm, F/1.0 | <20 mKFrame rate: 50 Hz | Not documentedWeight: 250 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ThermTec Cyclone 325Handheld€1,050.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 0.39-inch AMOLED, 1024 x 768 pixels | 25 mm, F/1.0 | <20 mKFrame rate: 50 Hz | Not documentedWeight: 260 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ThermTec Cyclops 335L 3.0Handheld€1,299.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 0.5 inch AMOLED, 1600 x 1200 pixels | 35 mm / F0.8 | ≤ 18 mKFrame rate: 50 Hz | 181 x 62 x 63 mmWeight: 470 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ThermTec Cyclone 625Handheld€1,399.00German shop price · incl. VAT | 640 × 512640 class · high resolution | AMOLED display 1024 x 768 | 25 mm lens | < 18 mKFrame rate: Not documented | Not documentedWeight: 260 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec Cyclops 635L 3.0Handheld€1,799.00German shop price · incl. VAT | 640 × 512640 class · high resolution | AMOLED, 1600 × 1200 pixels | 35 mm / F0.8 | 15 mKFrame rate: 50 Hz | 187 × 56 × 71 mm (±5 mm)Weight: 435 g (±5 g) | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec Ventus 635LBinocular€3,099.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 35 mm / F0.9 | < 15 mKFrame rate: 50 Hz | 164 x 127 x 73 mmWeight: 825 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec Ventus 650LBinocular€3,699.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 50 mm / F1.0 | < 15 mKFrame rate: 50 Hz | 164 x 127 x 73 mmWeight: 833 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec WILD 635 L PROHandheld€2,199.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 35 mm / F0.8 | ≤ 15 mKFrame rate: 50 Hz | 200 x 50 x 69 mmWeight: 510 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec WILD 650 L PROHandheld€2,499.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 50 mm / F0.9 | ≤ 15 mKFrame rate: 50 Hz | 200 x 66 x 76 mmWeight: 537 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec WILD 650DL PROHandheld€2,990.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 25 mm / 50 mm, F0.9 | ≤ 15 mKFrame rate: 50 Hz | 221 x 81 x 71 mmWeight: 653 g | Two optical focal lengths (25/50 mm) in one handheld device. More thermal image information than 384 × 288; optics and processing remain decisive. |
ATN 13 active models
| Model / format | Thermal sensor | Display / diagonal* | Lens | NETD / frame rate | Housing / weight* | Assessment · benefit & trade-off |
|---|---|---|---|---|---|---|
| ATN BinoX 6 Dual 225Binocular€1,499.00German shop price · incl. VAT | 256 × 192256 class · entry level | 0.49" OLED, 1920x1080 resolution | 25 mm; F/0.9 | ≤20 mKFrame rate: 50 Hz | 210x184.5x55 mmWeight: 710 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. Fewer sensor pixels; limited detail headroom when digitally magnifying. |
| ATN BlazeSeeker 6 207Handheld€449.00German shop price · incl. VAT | 256 × 192256 class · entry level | 800×600 OLED | 7 mm (Ge); F/1.0 | ≤20 mKFrame rate: 50 Hz | 149×57×50 mmWeight: 270 g | Focus-free design for simple operation. Fewer sensor pixels; limited detail headroom when digitally magnifying. |
| ATN BlazeSeeker 6 210Handheld€499.00German shop price · incl. VAT | 256 × 192256 class · entry level | 800×600 OLED | 10 mm (Ge); F/1.0 | ≤20 mKFrame rate: 50 Hz | 149×57×50 mmWeight: 270 g | Focus-free design for simple operation. Fewer sensor pixels; limited detail headroom when digitally magnifying. |
| ATN BinoX 6 Dual 335Binocular€2,499.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 0.49" OLED, 1920x1080 resolution | 35 mm; F/0.9 | ≤15 mKFrame rate: 50 Hz | 210x184.5x55 mmWeight: 720 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ATN BlazeHunter 335 LRFHandheld€1,399.00German shop price · incl. VAT | 384 × 288384 class · mid-range | OLED 1440x1080 | 35 mm | <18 mKFrame rate: 50 Hz | 152 mm × 42 mm × 74 mmWeight: 0.8 lb / 360 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ATN BlazeTrek 6 319Handheld€899.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 800×600 OLED display | 19 mm (Ge); F/1.0 | ≤18 mKFrame rate: 50 Hz | 158 mm × 57 mm × 50 mmWeight: 320 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ATN BlazeTrek 6 325Handheld€999.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 800×600 OLED display | 25 mm (Ge); F/1.0 | ≤18 mKFrame rate: 50 Hz | 158 mm × 57 mm × 50 mmWeight: 320 g | More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ATN BinoX 6 Dual 635Binocular€2,999.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.49" OLED, 1920x1080 resolution | 35 mm (Ge); F/1.0 | ≤15 mKFrame rate: 50 Hz | 210x184.5x55 mmWeight: 730 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More thermal image information than 384 × 288; optics and processing remain decisive. |
| ATN BlazeHunter 635 LRFHandheld€1,849.00German shop price · incl. VAT | 640 × 512640 class · high resolution | OLED 1440x1080 | 35 mm | <18 mKFrame rate: 50 Hz | 152 mm × 42 mm × 74 mmWeight: 0.8 lb / 360 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ATN BlazeHunter 650 LRFHandheld€2,049.00German shop price · incl. VAT | 640 × 512640 class · high resolution | OLED 1440x1080 | 50 mm | <18 mKFrame rate: 50 Hz | 152 mm × 42 mm × 74 mmWeight: 0.8 lb / 360 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ATN BlazeTrek 6 619Handheld€1,199.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 800×600 OLED display | 19 mm (Ge); F/1.0 | ≤18 mKFrame rate: 50 Hz | 158 mm × 57 mm × 50 mmWeight: 320 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ATN BlazeTrek 6 625Handheld€1,299.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 800×600 OLED display | 25 mm (Ge); F/1.0 | ≤18 mKFrame rate: 50 Hz | 158 mm × 57 mm × 50 mmWeight: 320 g | More thermal image information than 384 × 288; optics and processing remain decisive. |
| ATN BlazeHunter XDHandheld€4,699.00German shop price · incl. VAT | 1280 × 10241280 class · highest resolution here | 1920*1080 resolution, 0.49" OLED | 50 mm (Ge); F/1.0 | ≤ 15 mK (ATN manual)Frame rate: 50 Hz | 202x81x61 mmWeight: 495 g | 1.31 million sensor pixels: four times as many as 640 × 512. Highest sensor resolution in this comparison, not an overall winner in every respect. |
Viewing with both eyes · ATN & ThermTec
All five binocular devices from the listed range in one comparison: three ATN BinoX 6 Dual and two ThermTec Ventus models. Compare the thermal sensor first, then the display, lens and housing. Identical sensor resolution does not automatically mean an identical image.
Binoculars: a direct cross-brand comparison 5 active models
| Model / format | Thermal sensor | Display / diagonal* | Lens | NETD / frame rate | Housing / weight* | Assessment · benefit & trade-off |
|---|---|---|---|---|---|---|
| ATN BinoX 6 Dual 225Binocular€1,499.00German shop price · incl. VAT | 256 × 192256 class · entry level | 0.49" OLED, 1920x1080 resolution | 25 mm; F/0.9 | ≤20 mKFrame rate: 50 Hz | 210x184.5x55 mmWeight: 710 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. Fewer sensor pixels; limited detail headroom when digitally magnifying. |
| ATN BinoX 6 Dual 335Binocular€2,499.00German shop price · incl. VAT | 384 × 288384 class · mid-range | 0.49" OLED, 1920x1080 resolution | 35 mm; F/0.9 | ≤15 mKFrame rate: 50 Hz | 210x184.5x55 mmWeight: 720 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More sensor pixels than the 256 class; less headroom than 640 × 512. |
| ATN BinoX 6 Dual 635Binocular€2,999.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.49" OLED, 1920x1080 resolution | 35 mm (Ge); F/1.0 | ≤15 mKFrame rate: 50 Hz | 210x184.5x55 mmWeight: 730 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec Ventus 635LBinocular€3,099.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 35 mm / F0.9 | < 15 mKFrame rate: 50 Hz | 164 x 127 x 73 mmWeight: 825 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More thermal image information than 384 × 288; optics and processing remain decisive. |
| ThermTec Ventus 650LBinocular€3,699.00German shop price · incl. VAT | 640 × 512640 class · high resolution | 0.5 inch AMOLED, 1600 x 1200 pixels | 50 mm / F1.0 | < 15 mKFrame rate: 50 Hz | 164 x 127 x 73 mmWeight: 833 g | Viewing with both eyes plus a digital channel. Assess thermal and digital resolution separately. More thermal image information than 384 × 288; optics and processing remain decisive. |
* Display size and housing dimensions are listed separately. “Not documented” means not specified in the product data reviewed, not that a feature is absent. Weight figures use different battery references and are not always directly comparable. NETD measurement conditions may differ. On small screens, specifications are displayed vertically for each device.
Different approaches. Your application decides.
ATN
From monoculars to binoculars
BlazeSeeker 6 starts at 256 × 192 pixels; BlazeHunter XD reaches 1280 × 1024. BinoX 6 Dual combines thermal and digital observation with two eyepieces.
Explore ATN devices →CONOTECH
Aquila as a handheld example
Even within the Aquila series, lenses differ. The Aquila 325 combines 384 × 288 pixels with a 25 mm focal length. The exact model designation is therefore more important than the series name alone.
Explore Conotech devices →THERMTEC
WILD in several versions
The original WILD series includes models with 384 × 288 and 640 × 512 pixels. Check the full model name: WILD, LRF and PRO versions must not be mixed up in specification comparisons.
Explore ThermTec devices →Buying a thermal imaging device: six questions before choosing.
- A wide overview or a narrow view?Compare field of view and base magnification, not just maximum zoom.
- One eye or both?Try the eyepieces. With binoculars, the interpupillary distance must also suit you.
- How much detail do you need?Consider sensor, lens and image processing together. Digital zoom does not replace sensor pixels.
- How long will you be out?Check weight, battery replacement and handling. Battery life depends on temperature and the functions in use.
- Which extra functions will you use?Photos, video and Wi-Fi are useful for documenting observations, but not equally important to everyone.
- What does the stated range mean?Detecting a heat source is not the same as clearly identifying an animal. Manufacturer detection ranges do not guarantee visible detail.
The right thermal imaging device matters, not just the highest number.
The right thermal imaging device does not need the highest value in every column. It should suit your terrain, your way of observing and your budget. Bring these three points to your consultation.
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