Thermal Imaging Sights


Thermal Imaging Sights Apex

External power supply
Long eye relief (67 mm)
Impact resistance
Digital zoom
Refresh rate: 50 Hz
Magnification: 3x...6x
Range of detection: 1600 m
Degree of protection IPX7
External power supply
Long eye relief (67 mm)
Impact resistance
Refresh rate: 50 Hz
Magnification: 2x...4x
Range of detection: 1250 m
Video output
Long eye relief (67 mm)
Impact resistance
Digital zoom
Refresh rate: 50 Hz
Magnification: 1.5x...3x
Range of detection: 950 m

Thermal imaging operates on a different principle

More and more hunters today include thermal imaging weapon sights to their standard hunting equipment set. 

Spread of thermal sight among hunting professionals has been conditioned by several factors. Most hunted animals are active in the evening or in the night when they start looking for food. Some years ago, professionals used to buy riflescopes with large aperture objective lenses to hunt in the evening in low light conditions or night vision scopes to hunt in the night. Now, the use of night vision or large aperture optics can be limited by the amount of remaining light and weather factors such as fog rain and snow.

Thermal imaging operates on a different principle. It senses heat of objects and turns heat signature into visible image depending on the differences in temperatures. Since most of the hunted animals are hot-blooded species there is a significant temperature difference between their bodies and background. It allows detecting animals fast in all types of surroundings. Fog or rain is not an obstacle for an IR waves and thus thermal imagers can see in these conditions well.

Buying a thermal imaging riflescope is a challenge for those who never dealt with it.

Since hunting is connected with a significant amount of risk especially when hunting predators or big animals it is worth to keep in mind several important things.

  • Frame rate. Thermal imaging sight can operate at different frame rate. It is possible to find riflescopes with 9 Hz image frequency but the image produced by them is slow and looks frozen. The riflescope must have at least 25 Hz frame rate to produce an image that looks comfortable for an eye.

  • Sensor resolution. The greater resolution of sensor the better device can show details of objects.

  • Objective lens focus. The larger lens focus the greater magnification of the scope and its detection distance.

  • Detection distance. Distance at which the target can be detected. Is largely influenced by the objective lens focus.

  • Calibration modes of sensor. Uncooled thermal imaging sights require calibration from time to time. For a hunter automatic calibration may be disturbing since it may happen in inappropriate moment. Manual and semi-automatic modes help to avoid unnecessary confusion.

  • Recoil resistance. Thermal imaging riflescopes must have sensor protection system that protects thermal detector array during the shot.

  • Eye relief distance.  Distance from an eyepiece to the eye of the shooter. For shooting with large calibers, this parameter is as important as recoil resistance. The larger it is the safer the riflescope.

Pulsar’s thermal imaging riflescopes 

Pulsar’s thermal sight can be used for various types of hunting.

  • Apex XD38 can be used for a driven hunt since it has the smallest optic magnification and the largest field of view. It is important if the animal is running close to the hunter. 

  • Apex XD75 is meant for a high seat hunting or long range hunting. Zoom and picture-in-picture mode help to identify target at larger distances.

  • Apex XD50 is medium model in a range and is considered universal.

Many factors have to be taken into account when designing thermal vision sight. Pulsar specialists make sure that all deciding factors are addressed. All steps of manufacturing process have to be flawless and must provide stable quality in the end.

Many years of experience in production of night vision and day optics ensure that Pulsar devices provide the highest image quality.

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