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Why is our VA-PVS-31 binocular night vision device more popular?

There are actually many reasons why the VA-PVS-31 night vision device is more popular, such as small size, light weight, sturdy and wear-resistant body material, the minimum focus is about 25mm, and it can also be used with external thermal image fusion components to synthesize low-light heat Like fused night vision and more.

The development of low-light night vision devices and the characteristics of each generation

Low-light night vision devices were invented in 1955. At that time, it was discovered that a photocathode made of the alkali metal antimony, potassium, sodium, and cesium could emit electrons when illuminated by weak night skylight, and was suitable for use in passive night vision devices. It has now developed into the third generation of products.

The structure and working principle of active infrared night vision device

Active infrared night vision devices are very similar to active radars. They rely on their own artificial infrared light source to emit light in the near-infrared band to illuminate the target. At the same time, they receive the infrared rays reflected by the target and convert it into a visible image through an infrared image tube.

The VA-PVS-31 is one of the most light weight night vision binocular on the market

We sold a PVS-31 last week. PVS-31 Night Vision Binocular, can be fixed to the helmet by a bracket, and adjusted to suit your own pupillary distance. More importantly, it can extend use time with external battery box.

How to choose a night vision device?

I often see the questions about how to choose a suitable night vision device and many people don’t know which specification they should buy. Today I will introduce to you three common parameters.

Choice between thermal imaging and night vision

Before purchasing a night vision device or thermal imaging camera, our first priority should be to make a rough distinction between their functional configurations, clarify the environment of the place of use, observe the size of the target and other factors, and make a decision after full consideration.

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