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What is spherical aberration?

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Spherical aberration is caused by the failure of a lens or mirror of spherical section to bring parallel rays of light to a single focus. The effect results from the operation of the laws of optics, not from defects in construction.

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Similar questions: Are all instances of aberration a fault of the lens or mirror? Does spherical aberration come from a fault in the construction of the lens? What is the term when a lens or mirror fails to reflect parallel rays to a single focus? Do laws of optics ever result in aberration? [ Hide these questions ]

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