Month: June 2021

The central focus is also called the middle axis handwheel adjustment. From the picture above, you can see that she adjusts the focus through the middle

How to properly maintain and maintain the telescope in the process of using it? In general, as long as the method is right, the maintenance

Operation process of the astronomical telescope:If the telescope is equipped with an equatorial mount, the right ascension and declination axis balance of the telescope must

Refraction of astronomical telescope There are two types of prism materials, BAK4 and BAK7. These two materials have different refraction degrees. The refraction degree of

There are three types of astronomical telescopes: refraction, reflection and catadioptric: Refracting telescope The so-called refracting astronomical telescope is a telescope whose objective lens is

As a product that cannot be seen from the appearance but only from the clarity of the perceptual experience, the binoculars are very difficult to

Optical coating: (C)-It means that only one or more lens surfaces have anti-reflection coating; Fully Coated: (FC)-means that all glass surfaces in contact with air

Many people like telescopes when traveling, but they have many questions about telescopes, especially the issue of distance. How far can they be seen? In

Theoretical knowledge of telescope multiples The magnification of a telescope is the angular magnification of the angle of observing an object with the naked eye

Friends who observe carefully may find that there is a faint color on the lens of their telescope, especially when viewed from an angle. Some

Anyone who has been in contact with binoculars knows that binoculars are divided into ROOF roof type and PORRO Porro type. The Porro type was

First of all-peel off the rubber, the surface of the telescope is wrapped with a layer of rubber, which can play a comfortable grip and