02-28

2022

Why can't infrared night vision devices be used during the day?

There are many types of infrared night vision devices, but they are basically composed of optical systems, video tubes or low-light tubes, power supplies and po

02-24

2022

Night Vision Questions Answers

A telescope is an optical instrument that directly uses a lens to magnify the viewing angle of an object on the retina for imaging.

02-23

2022

Night vision device related knowledge and waterproof level

When light is incident from one object to another material with different optical densities, the propagation direction of the light is deflected.

02-21

2022

How infrared sights work

Infrared sight is an instrument that illuminates the target with a near-infrared light source, and the target reflects the infrared light, making photoelectric