From ancient times to the present, the influence of the battlefield environment on combat has been crucial, especially night combat. Many military wizards have skillfully exploited this and achieved magical effects by surprise. Including the death of bin Laden by the United States, they also chose to do it at night. In this special operations, code-named Neptune’s Spear, the helmets worn on the heads of US special operations members were particularly noticeable, allowing the US special operations members to fight at night like daylight and accurately perform this mission.

　　　　It is said that the model of the night vision device worn on the head of the special forces during the operation was GPNVG18 night vision device. The full name of the night vision device is a ground-based panoramic night vision system. It is made of lightweight polymer materials and has a unique 4-channel binocular imaging unit structure. The imaging angle of view can reach 97 degrees (some domestic data shows that it is 120 degrees, but The manufacturer’s sales data shows it is 97 degrees, taking into account that there is a partial overlap in the middle of the field of view), while the traditional night vision device has a viewing angle of only 45 degrees. When observing through the eyepieces, every two night vision goggles form a unit, so as to provide a better observation range for the special forces. However, the price of this night vision device is very expensive. It is reported that as early as 2012, at an American weapons exhibition, the manufacturer of the night vision device marked a price of 20,000 US dollars. The price is almost the price of the full-body equipment of Chinese special forces. Despite the high price, its technology is still strictly controlled and not sold to China.

　　However, it is said that my country has successfully developed its own panoramic helmet-type day and night universal night vision device. During an exercise, our army demonstrated this new type of night vision equipment for the first time. Although the appearance of this night vision device is a bit similar to the GPNVG18 night vision device of the U.S. Army mentioned above, it can be clearly felt. It is smaller in size than the night vision goggles of the US military.

　　Not only that, according to some data, after decades of rapid development, our army has made great progress in the field of night vision equipment. Some four-screen panoramic night vision solutions developed by my country are compatible with the U.S. GPNVG18 night vision device. There is a big difference. The US Army GPNVG18 night vision device is a low-light night vision device. It uses the third-generation image intensifier tube and must be equipped with the battery in the table for supporting use. However, some domestic four-eye night vision devices have achieved infrared night vision technology, using uncooled infrared focal plane detector imaging technology. On this basis, combined with the more advanced domestic image stitching technology, a panoramic display is realized. According to reports, it actually exceeds the field of view of the U.S. GPNVG18 night vision device, which can reach 150 degrees.

　　Today, the field of individual equipment in the world is developing very fast. This is inseparable from the technological development of various countries, but only in a small area of ​​night vision, countries are also competing for development, you are competing. It is also reported that some fourth-generation night vision technology in the world is already available, using low-light thermal imaging fusion night vision technology. Its biggest feature is that it better superimposes the microscopic scene and the infrared heat source scene. , Even if people and vehicles are disguised to a certain degree, they can still be found. With similar technologies, my country has long been in a leading position in the world, and it will accelerate its development now.

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