chromatic aberration

noun

, Optics.

the variation of either the focal length or the magnification of a lens system with different wavelengths of light, characterized by prismatic coloring at the edges of the optical image and color distortion within it.

a defect in a lens system in which different wavelengths of light are focused at different distances because they are refracted through different angles. It produces a blurred image with coloured fringes

chromatic aberration

First recorded in 1825–35

The false colouring of the image is due to chromatic aberration.

The secondary spectrum is very commonly confounded with the chromatic aberration of higher order.

A refracting telescope which has been freed from the effects of chromatic aberration is called achromatic.

The great obstacle which long stood in the way of the improvement of refractors was the defect known as "chromatic aberration."

By this adjustment of the lenses of the condenser it is possible to do away with disturbing chromatic aberration.

April 19, 2024tortuous

[tawr-choo-uhs ]

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