Refractor Telescope
Refractor Telescope
i have a refractor telescope help??
i have a refractor telescope and when i look in my spotter scope/view finder everything is up side down:( whyy????? helllllpppppp ahhhhhhhhhhhhhhhhhhhhhhh *dies*
That is normal for any telescope. Because the extra lenses needed to make the image right side up would reduce image brightness and introduce distortion, astronomers prefer to stay with the upside down image. After all, there's no "right way up" in space.
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Celestron 21061 AstroMaster 70 AZ Refractor Telescope |
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TE3) Celestron astromaster 70AZ scope |
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BARSKA 40070 Starwatcher Compact Refractor Telescope with Table Top Tripod And Carrying Case |
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The Barska 40070 Starwatcher Compact Refractor Telescope with Table Top Tripod and Carrying Case is an ideal telescope for the aspiring amateur astronomer. Ideal for students or those interested in learning more about the night sky, the 70mm objective lens can zoom up to 300x power... |
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Meade 20218 NG-70SM 70mm Altazimuth Refractor Telescope |
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Meade 20218 NG-70SM 70mm Altazimuth Refractor Telescope Meade's value priced NG-70SM Altazimuth Refractor is an affordable entry level telescope that features an easy to use Altazimuth mount with slow motion controls for precise tracking... |
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CELESTRON Powerseeker 50 Refractor Telescope |
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The Celestron® PowerSeeker 50 telescope is a great way to open up the wonders of the universe to the aspiring astronomer. It's portable yet powerful with ample optical performance to excite any newcomer to the world of amateur astronomy. |
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Orion Observer 70mm Equatorial Refractor Telescope |
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Orion’s Observer 70 EQ combines the solid optical performance of a classic achromatic refractor with a German style equatorial mount. The Observer 70 features very good optics and 36 percent more light gathering power than 60mm beginner scopes... |
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Celestron 21062 AstroMaster 70 EQ Refractor Telescope |
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Celestron’s AstroMaster 70 EQ combines the solid optical performance of a classic achromatic refractor with a German style equatorial mount. The Astromaster 70 features easy no-tool setup and much better optics than 60mm beginner scopes... |
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Tasco Spacestation 70x800mm Refractor AZ with Variable LED Red Dot Finderscope Telescope |
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Put on your pressure suit and commence docking procedures, because we have a Spacestation powerful enough to take you to the moon and way, way beyond. Se the star like you've never seen before with a view from an all-new Tasco Spacestation telescope featuring a cosmically inspired new design... |
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Celestron 21063 AstroMaster 90 AZ Refractor Telescope |
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Celestron’s Astromaster 90AZ refractor telescope is a good choice for anyone who wants a dual purpose telescope. With more than double the light gathering power of 60mm starter scopes, it’s a great introduction to astronomy and it can double as a long range spotting scope... |
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Celestron 21064 AstroMaster 90 EQ Refractor Telescope |
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Celestron’s Astromaster 90EQ refractor telescope is a good choice for anyone who wants to try out astronomy for an affordable price, and it can double as a long range spotting scope. Bigger and more impressive than it looks in pictures, the Astromaster 90 EQ is an adult size telescope that stands nearly five feet high and weighs almost 25 pounds... |
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Orion GoScope 80mm TableTop Refractor Telescope |
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For portability and low-power, wide-field viewing, look no further than the Orion GoScope 80mm Refractor Telescope. This ultra-compact, entry-level Mini-Dob makes a great quality first telescope for beginning stargazers... |
Astronomy is a topic in science. For most of astronomy, there are scientific instruments in use. These can be telescopes, which have different technologies, and also that of using computers. In this article, we will take a look at technology used in astronomy today.
Since the dawn of time, man has looked up at the stars in amazement. What were these shimmering lights in the night sky? A torch to light our way? It certainly has been used for farmers, sailors, and many other areas to determine the seasons and other important aspects, however, let us look at the technology used in astronomy.
What was the technology that stone age man and any man or woman today who looks up at the night sky? What is the principle in what is happening when people observe those objects? For certainly the Sun is not as big as my thumb, but actually a size which could eat up Earth and still be hungry!
The point is simple. The stars and other objects in the sky can be millions of light years away. As you look at these objects the light travels to meet your eye. As it meets your eye, it goes through the pupil of your eye. This is the technology of man, and to see more, you will need more light entering.
If your pupil was as large as the Earth, our Moon would appear to be like your hands in front of you. This means that more light we let in, the more we can see, and the bigger it will appear to be.
This is what astronomers and scientists have dedicated themselves to for years. It makes sense. However, the telescopes of today are not using today's technology. Yes, many have some new features, but at the back of it all, they pretty much use 2 different systems.
One of the systems is the famous Galileo's refractor. This works with letting light come through a big lens, and finally through other lenses get focused to meet your eye. What happens here is that you get to see objects far away more magnified. In effect you have increased the pupil of your eye!
Another system that is widely used is Isaac Newton's system of telescope. This technology used in astronomy telescopes widely available, is that light enters and bounces off a mirror, and comes back up to find another slanted mirror that sends the light through a lens to meet your eye. Again, increasing your pupil in effect, with technology.
There is much more to the technology used in astronomy today. For example, the Hubble Space Telescope and many other astronomical devices. However, one thing that is becoming more common is to utilize a computer which drives the telescope. This has allowed navigation of the night skies to be much more easier than it used to be.
Do you want to see what the planets look like? Discover more about astronomy and telescopes and astronomy binoculars by now visiting these links: buy telescopes [http://www.buythebestelescopeintheworld.info] | Meade telescopes [http://meadetelescopesales.info]
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