What is a thermal imaging monocular and how to choose it?

What is a thermal imaging monocular and how to choose it?

Thermal imaging monocular is comfortable, compact and highly functional. This device reacts to the thermal radiation of any object with a positive temperature. It is used for hunting, for military purposes, during patrolling, the monocular can be installed on the weapon in front of the sight.

general description

Thermal imaging monocular – an optical device that allows you to recognize an object in infrared radiation at a distance of 900 m or more (if equipped with a laser rangefinder). The thermal imager belongs to professional equipment. It can be used at any time of the day, in dense fog, in rainy and snowy weather. He will track the object in thickets of bushes and tall grass. Thermal imaging monocular not only indicates the presence of a warm object, but also identifies it, so that the hunter will not confuse a cow with an elk. A person with the help of the device will be able to find his lost dog, partner, see the fire, and correctly go to the transshipment camp.

A luminous monitor becomes a good source of light at night. The device works as follows: infrared radiation through the lens enters the matrix, is transformed into a signal that transfers the image to the display. The picture is mostly monochrome or with the “warm red” function, that is, it produces an image in red on a dark background.

The most valuable part of the instrument is the matrix. The image quality, respectively, and the cost of the equipment depend on its size and on the possibilities of contrast guidance. Brand affiliation also affects price.

Devices manufactured in European countries, the USA, China, Belarus and Russia are widespread on the domestic market. You can purchase both expensive equipment of well-known brands and budget Chinese thermal imagers. The leading places in the rating are taken by IWT, Infratech, Flir products. The best devices in terms of value for money belong to Belarusian brand Pulsar by Yukon.

Pulsar Helion XQ50F

Hunting thermal imaging monocular with dimensions 235x55x58 mm weighs only half a kilogram. The device has a high optical magnification (4.1x), detects a target at a distance of 1800 m, identifies – from 5 m. Contains a high frequency (50Hz) microbolometer array, frost-resistant AMOLED display and waterproof housing. The battery works without additional charging up to 8 hours. Object recognition occurs at any time of the day, in bad weather conditions.

Fortuna General 50M6

An expensive thermal imager designed for hunting. The AMOLED display contains a resolution of 800×600 pixels. Larger screen size (60 mm) reduces eye strain during long-term observation. Rangefinder allows you to find a target at a distance of a kilometer. High resolution infrared image makes it possible to identify an object at a considerable distance from the viewer. The device is controlled using a digital menu and buttons on the case. The equipment works silently, ensuring the hunter’s stealth.

iRay Xeye E2n

A budget thermal imaging monocular with a germanium lens and factory-exhibited focusing has a high-resolution sensor. The equipment is ready for work in a few seconds. The device contains a high frame refresh rate, easy and intuitive interface, quickly responds to temperature fluctuations.


Expensive professional equipment worth 1,350,000 rubles is fully automated, designed for observation and reconnaissance of the area. View target in the dark, in bad weather, on difficult terrain, in partially hidden, camouflaged areas.

IWT SCOUT equipment contains a thermal imaging monocular, a laser rangefinder, a navigator, a ballistic calculator, a built-in weather station, while it has minimal dimensions and weight.

The device is used for military and civilian purposes – during operational actions of special forces, in search and rescue operations, during natural disasters.

Nuances of choice

When choosing a thermal imaging monocular, you need to pay attention to thermal sensitivity and many other points.

  • The matrix. First of all, you need to understand the characteristics of the matrix – the more resolution it has, the better. Frame rate and pixel density are important. The clarity of the image, the detail of the picture obtained at different distances from the object will depend on these indicators.
  • Frame frequency. The image must be refreshed at more than 25 frames per second (25 Hz). In such conditions, the eyes will not get tired during observation. Today, devices are produced with a frequency of 30-50 Hz. The more actively the animal moves, the more frequency it will need to observe it, otherwise the picture will be blurry.
  • Lens size. It depends on the hunting location. When tracking animals on flat terrain, it is enough to have a lens with a diameter of 40 mm, in the mountains it is better to purchase equipment with a lens diameter of 70 to 120 mm.
  • Frame. It is better to buy thermal imagers in a shock-resistant waterproof case. If winter hunting is practiced, you need to pay attention to the ability of continuous operation of equipment in frosty conditions.

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