Dictionary Meaning Of Aberration

By 02:01 Sun, 21 Jan 2018 Comments


The convergence to different foci, by a lens or mirror,

of rays of light emanating from one and the same point, or the

deviation of such rays from a single focus; called spherical

aberration, when due to the spherical form of the lens or mirror, such

form giving different foci for central and marginal rays; and chromatic

aberration, when due to different refrangibilities of the colored rays

of the spectrum, those of each color having a distinct focus.


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