3 Types of Telescopes - Know the Differences Or Risk Buying the Wrong One

!9# 3 Types of Telescopes - Know the Differences Or Risk Buying the Wrong One

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There are 3 main types of telescopes and each one performs differently and may be used for different purposes. If you are thinking about buying a telescope to look at stars and deep space then you should know that this might not be possible if you live in a built up area with light pollution. If it is just the moon and the planets you want to look at then you should now that refractors are better than reflectors for this. If you are prepared to travel with your telescope then you should know which types are fragile and which ones give you the best performance from a smaller scope.

The three types of telescopes that exist for capturing light so that it may be magnified for viewing are Catadioptric, Newtonian Reflector and Refractor.

Refractor Telescope

The traditional long-tube looking telescope. The Refractor uses lenses to bend light and this causes the rays to meet at a point on the other end of the telescope. They are magnified by the eyepiece for viewing. There is a large lens on the front of the Refractor, which is the objective lens.

Pros

Requires little to no maintenance Excellent for planetary viewing

Cons

Color deviation in achromatic designs Not recommended for deep sky observation

Reflector Telescope

The Newtonian Reflector uses a primary mirror that is concave. This mirror sends light to a flat mirror which reflects the light out a side opening and to the eyepiece where it is magnified and focused.

Pros

Best for deep space observation - Great for looking at remote galaxies Delivers very bright images

Cons

Requires regular alignment Requires more complicated cleaning of mirrors than other types of the same design

Catadioptric Telescope

The last of the three types of telescopes and currently the most popular on the market. This type uses a series of lenses and mirrors that fold the light path and send it through to the primary mirror through a small hole. This allows the light to be magnified and focused for viewing. There are two types of Catadioptric telescopes - Schmidt-Cassegrain and Maksutov-Cassegrain. The Maksutov type has a concave and convex correcting lens where the light enters. The light hits the primary mirror, is sent back to the secondary mirror and finally sent to the opening in the back of the telescope.Pros

Portable and easy to use Versatile - good for deep space and planetary observation About the best for focusing Excellent optics

Cons

It does not look like a telescope to many people It is more costly than other Newtonians with the same size opening for light

Once you know what you want to look at and which of the types of telescope you should choose you need to think hard about how much you are prepared to carry around, telescopes can be bulky and your tripod and mount are essential bits of additional kit. Size determined, you are now ready to see just how much aperture you can get for your money. Don't concern yourself with magnification, it is not nearly as important as is touted and higher magnifications will cause images to be blurry because of air turbulence. The performance of a telescope depends on how much light gathering capability it has, the more light it can gather the better you will see, and this is aperture. As a general rule of thumb, once you know which of the types of telescopes is best for you, get the biggest aperture you can afford for your money.

3 Types of Telescopes - Know the Differences Or Risk Buying the Wrong One

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What you should know before buying a telescope

!9# What you should know before buying a telescope

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Telescopes are used for a variety of purposes. Both telescopes and binoculars are normally used for bird watching, night sky, and some other activities. If you are interested in buying a telescope for observation, some factors must be considered first. For example, you need to know, what are you going to use it. Larger telescopes is larger, sharper images, while the smaller more limited in what they are, users can see.

The job ofTelescope is to see one of the most important features. This refers to the materials and the way in which it is produced. Optical instruments of any kind must be engineering work correctly, the information is really important. Some will say that consumers should avoid shopping for telescopes in department stores, and attend instead to those who are certified in telescopes. These stores are people who have knowledge about them, and could explain the differences between individualModel.

Another attribute is taken into account in designing optical telescope. Several types are available, as refractors, Newtonian Reflector, Schmidt - Cassegrain and Maksutov Cassegrain.

What you should also think of the atmospheric turbulence. This refers to the way in which a telescope will show fainter objects. You must also decide how large you want the opening. The greater the degree to gather more light and the result is a sharper image. More opennessThis also means that the telescope is more expensive.

If you have little or no knowledge of telescopes and I'm not sure what to buy, try to ask others who have more experience. This could be someone in a store near you, or perhaps there is a club in your area that is about astronomy. There are forums and review sites online telescope, which are also useful. Most of these people has at least some knowledge and experience in dealing with the telescopes. Magazinesalso an excellent resource to get a telescope and help you be more of astronomy.

There are many different types of telescopes specially designed for specific purposes. That's why it is so important that research before buying one. Want to be your telescope in place, in a way that is suitable for your purpose to perform. Of course, you also decide how much you are willing to spend on one. In general, the most expensive model, theThe higher the quality.

What you should know before buying a telescope

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