Topical Terminology > Chromatic Aberration
Chromatic Aberration
For Chromatic Aberration we have terms and definitions in 2 topics. The topics are Photography and Telescope.
Chromatic Aberration (Photography) 
Caused by the differences in refraction of the colored rays of the spectrum. It is "axial" when light rays pass through a lens cause the lens to focus at different points, depending on the light wavelength. It is "lateral" or "transverse" when the magnification varies depending on the light wavelength. It creates blur.
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Chromatic Aberration (Telescope)
Catch-all term for aberrations of optical system in which the problem is that different things happen to different colors of light. See chromatic difference of magnification, chromatic variation of spherical aberration, lateral color, longitudinal chromatic aberration, longitudinal color, and spherochromatism.
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