Galileo's first telescope used the arrange- ment shown in the figure to the right, with a double-concave eyepiece slightly before the focus of the objective lens. Use ray tracing to show that this design gives an upright image, which makes the Galilean telescopes useful in terrestrial observing. Ilint: to handle two lenses in series, use the image of the first lens as the object of the second lens. -fo

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Galileo's first telescope used the arrange-
ment shown in the figure to the right, with
a double-concave eyepiece slightly before
the focus of the objective lens. Use ray
tracing to show that this design gives an
upright image, which makes the Galilean
telescopes useful in terrestrial observing.
Ilint: to handle two lenses in series, use
the image of the first lens as the object of
the second lens.
fo
Transcribed Image Text:Galileo's first telescope used the arrange- ment shown in the figure to the right, with a double-concave eyepiece slightly before the focus of the objective lens. Use ray tracing to show that this design gives an upright image, which makes the Galilean telescopes useful in terrestrial observing. Ilint: to handle two lenses in series, use the image of the first lens as the object of the second lens. fo
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