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Deviation from perfection in an optical system that results as a product of imperfect ray bending to form an image. Aberrations are inherent in all optical systems. Chromatic aberration, spherical aberration, coma, astigmatism, field curvature and distortion are the most commonly referred to aberrations.

See also Longitudinal Chromatic Aberration (LCA) , Coma , Field Curvature , Chromatic Focal Shift , Spherical Aberration , Distortion , Lateral Color

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