What is The third type of Telescope
Source:Ruilong Time:2011-6-28For a beginner, it is suggested to look for a professional telescope outlet and buy after a getting a professional advice from an expert. Be aware of the neighborhood stores with telescopes. It is not a good idea to buy your first telescope from a local shop as the telescopes might not be of the highest quality. This is due to the large scale production of telescopes that has led to inferior material quality which in turn poses a significant malfunctioning risk. A professional outlet always provides warranty and guarantees to fix any problems. The cost of a beginner telescope varies from two hundred to twenty five hundred dollars. It is recommended to buy a telescope above four hundred dollars, for the reasons stated above.
Since the advent of modern astronomy, scientists have come along a long way to build high powered telescopes. The earliest history of the modern telescope can be traced back to 16th century Netherlands. Modern day telescopes come in different types, sizes and shapes. The cost associated with each telescope differs widely and depends on the task it will be used for.Normally, astronomers agree that there are only two main types of telescopes. They are refractive telescopes and reflective telescopes.
The third type, a compound telescope is commercially available for use and it might be a good starter telescope for novice and beginners alike. It combines the qualities of the refractor and reflector to provide a better magnification and view. This being said, compound telescopes are not normally used by advanced astronomers. Apart form the above types, there are more advanced versions including radio and x-ray telescopes, among others.
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