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Chromatic aberration, the inability of a simple lens to focus all colors of light to the same focal ...

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Chromatic aberration, the inability of a simple lens to focus all colors of light to the same focal ...

Chromatic aberration, the inability of a simple lens to focus all colors of light to the same focal point, is reduced in astronomical telescopes by
A)   adding a carefully shaped mirror to the lens to produce a lens-mirror combination.
B)   combining two lenses of different shape, made from the same kind of glass.
C)   bending the lens in its mounting, to correct the aberration.
D)   combining two lenses of different shape, made from different kinds of glass.

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Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein

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