วันอาทิตย์ที่ 24 มีนาคม พ.ศ. 2556

Telescopes for Beginners

All amateur astronomers need a telescope of some kind to make the study of stars and other planets interesting. Telescopes for beginners can be of great help to astronomers. Most new users would like to get a telescope at a low cost. It's tough to advise a low cost telescope as they depend on the needs of the user. The article conveys the factors that settle the cost of the telescope. It suggests the ways to minimize cost.

The cost of a telescope is related directly to its features. Astrophotography telescopes are costly and it is difficult get it at a low price -- even used ones. However, telescopes for beginners which are used for viewing landscapes, in increasing to the cosmos, can be easier to buy. There are sites on the internet that show unrealistic telescopes for beginners. Cheap telescopes on eBay and division stores are occasionally not capability items and can produce false impressions of planets and other images.

Telescope

One can go for small refractor telescopes for beginners with aperture up to 90mm as it is very convenient for the new user. They are easy to handle and requires less maintenance. They also take less time to set-up. These telescopes contribute a clear view of the deep sky.

The separate types of telescopes for beginners ready are as follows:

Refractor- It is most commonly used and traditionally designed telescope. The telescope has a lens or mirror in the front to derive light and capture an image. It is a limited high-priced but the cost depends on the aperture, so a small refractor can be good choice as a telescopes for beginners.

Newtonian reflector- It can be viewed using an eyepiece.Larger apertures are ready but at the cost of portability.

Catadioptric - These telescopes use a combination of lenses and mirrors and are of two types, the Schmidt-Cassegrain and the Maksutov-Cassegrain. The important feature of these telescopes is their compact tubes, which is half reflector and half refractor. These features are not always found on telescopes for beginners, however.

Alt Azimuth and Equatorial- the mount telescope comes in two types: the Alt Azimuth and equatorial. They can be helpful for terrestrial and field view. A Dobsonian is a type of Alt Azimuth. It is made for large reflectors whereas Equatorial are designed to track objects with small adjustment.

Goto Telescope- This kind of telescope is one of the most advanced. The telescope comes with computerized technology. This type of telescope does not serve as a good choice in terms of telescopes for beginners. It is difficult to use and find object in sky for the new user. It is ready in a wide range of prices.

Telescopes for Beginners

See Also : Big Disk Top10 Tablet

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