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How far can night vision goggles see at night?

2022-08-05

As a professional optoelectronic device, many people are at a loss before buying it. The following will introduce some related introductory knowledge of night vision goggles, I believe it will be helpful for everyone to buy night vision goggles: When will night vision products be used? ---For ...
How to choose a telescope?

2022-07-29

A telescope is an important and indispensable tool for every outdoor enthusiast. However, many tourists don't have much knowledge about the performance of telescopes and how to choose them, resulting in the telescopes they buy do not have much use or the effect is not satisfactory. Here, the editor ...
How can a rangefinder help you in golf?

2022-07-15

As we all know, golf is a sport that requires a high degree of precision. If you want to play accurately, you must learn to judge distance. In practice, players often judge the distance from the ball to the flagstick by visual inspection of themselves or their caddies, so as to decide which iron in ...
Where is the reticle inside of the telescope/ rifle scope?

2022-07-06

For telescopic sights, there are two types. The first focal plane and the second focal plane. The reticle of the first focal plane is located at the focal length of the objective lens, and the reticle of the second focal plane is located at the focal length of the eyepiece. The difference between ...
Selection guide for rangefinders

2022-06-24

In today's electric power, water conservancy, construction, outdoor and other fields, we can often see the "shadow" of the rangefinder. However, in different fields and different environmental requirements, our requirements for the "capability" of rangefinders are also different. So the question is, ...

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