An Etymological Dictionary of Astronomy and Astrophysics

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optical aberration

بیراهشِ نوری

birâheš-e nuri

Fr.: aberration optique

An imperfection in the imaging properties of a lens or mirror. The main aberrations are → chromatic aberration, → spherical aberration, → coma, → astigmatism, → field curvature, → distortion.

An Etymological Dictionary of Astronomy and Astrophysics
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