Telescopes: Focal ratio, plane and telescope types

Описание к видео Telescopes: Focal ratio, plane and telescope types

Now we can see the last bits of basic telescopes, with the focal ratio, magnification, plate scale, and so on. This is part of my intro Astronomy class taught at Willam Paterson University and CUNY Hunter.

http://www.televue.com/engine/TV3b_pa...
Eyepiece Calculator

0:00 Introduction
0:22 Image Formation: Orientation
3:06 Focal Ratio is also called the "speed"
4:57 Image Formation: Plate Scale
8:10 Magnification: the misbegotten stepchild
10:55 Optical Telescopes
12:14 Elementary Reflecting Telescope
13:20 Reflecting and Refracting Telescopes
13:25 Types of Reflecting Telescopes

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