Transcription of Introduction to the Dobsonian Telescopes
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Introduction to the Dobsonian Telescopes
1 Introduction to the Dobsonian TelescopesOne type of telescope that students in the astronomy class frequently use is a 10 - inchDobsonian telescope . These Telescopes are medium-size, as amateur Telescopes go (the amateurrage would be 4 to 20 inches in diameter); they are mechanically simplified for low price andease of almost all modern astronomical Telescopes , they are reflectors; the main optics is aconcave mirror located in thebottom of the tube. Light entersthe tube from a distant star on tothe main mirror at the bottom ofthe tube. From the main mirror,the light is then reflected to asecondary mirror, and thensideways out of the tube, on tothe lens of an attached eyepiecewhere the image is seen. (See thepicture).
Introduction to the Dobsonian Telescopes One type of telescope that students in the astronomy class frequently use is a 10 - inch Dobsonian telescope. These telescopes are medium-size, as amateur telescopes go (the amateur rage would be 4 to 20 inches in …
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