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longitudinal aberration |
Also found in: Medical | 0.32 sec. |
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longitudinal aberration [‚län·jə′tüd·ən·əl ‚ab·ə′rā·shən] (optics) The distance along the optical axis from the focus of paraxial rays to the point where rays coming from the outer edges of its lens or reflecting surface intersect this axis. In chromatic aberration, the distance along the optical axis between the foci of two standard colors. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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