Chromatic aberration

Chromatic correction of visible and near infrared wavelengths. Horizontal axis shows degree of aberration, 0 is no aberration. Lenses: 1: simple, 2: achromatic doublet, 3: apochromatic and 4: superachromat.

$Chromatic aberration of a single lens causes different wavelengths of light to have differing focal lengthsDiffractive optical element with complementary dispersion properties to that of glass can be used to correct for color aberrationFor an achromatic doublet, visible wavelengths have approximately the same focal length$

$Diffractive optical element with complementary dispersion properties to that of glass can be used to correct for color aberration$

In optics, chromatic aberration (CA, also called achromatism, chromatic distortion, and spherochromatism) is an effect resulting from dispersion in which there is a failure of a lens to focus all colors to the same convergence point. It occurs because lenses have different refractive indices for different wavelengths of light. The refractive index of transparent materials decreases with increasing wavelength in degrees unique to each.

单词	Chromatic distortion
释义	Chromatic distortion 英语百科 Chromatic aberration $Chromatic aberration of a single lens causes different wavelengths of light to have differing focal lengthsDiffractive optical element with complementary dispersion properties to that of glass can be used to correct for color aberrationFor an achromatic doublet, visible wavelengths have approximately the same focal length$ $Diffractive optical element with complementary dispersion properties to that of glass can be used to correct for color aberration$ In optics, chromatic aberration (CA, also called achromatism, chromatic distortion, and spherochromatism) is an effect resulting from dispersion in which there is a failure of a lens to focus all colors to the same convergence point. It occurs because lenses have different refractive indices for different wavelengths of light. The refractive index of transparent materials decreases with increasing wavelength in degrees unique to each.
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Chromatic distortion

Chromatic aberration