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There are two suggestions for newcomers to buy binoculars, which must be planned in advance: • Confirm your own needs and purchase different specifications of binoculars for different needs. • Confirm your budget and choose from your budget range. First talk about "confirm your needs." If you are ... Read More
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I believe that for many friends who play with astronomical telescopes, the polar axis has always been an annoyance. Especially students who are just getting started, do not know how to use software, and do not have electronic equipment, even more at a loss. It is very cheap to buy a polar mirror, ... Read More
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Many friends consulted me about the difference between night vision and thermal imager. Today I will explain in detail the working principle and scope of use of the two, as follows: As far as the development of night vision goggles is concerned, at least three revolutions have gone through from low ... Read More
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How to choose a binoculars that suits you, we have given specific introductions in previous issues. Today, let's talk about how to choose a single-scope telescope suitable for bird watching. Telescope aperture: The aperture of a general bird watching monocular is between 50~95mm, and the aperture is ... Read More
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Astronomical telescopes can detect stars hundreds of millions of light-years or more because the electromagnetic waves emitted by these stars have been transmitted to the earth over hundreds of millions of years and then be observed by astronomical telescopes. There are two main types of astronomica... Read More
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Speaking of single-pass telescopes, there are two types. One is simply compact and portable, and the other is for bird watching, starry sky or sailing use. In fact, the comfort of a single-lens telescope is far less than that of a binocular. Of course, everyone has different needs. It is very ... Read More
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