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 n.
Color distortion in an image produced by a lens, caused by the inability of the lens to bring the various colors of light to focus at a single point. Also called chromatism.
See under aberration.
- Chromatic adaptation
noun 1. (botany) the alteration by photosynthesizing organisms of the proportions of their photosynthetic pigments in response to the intensity and colour of the available light, as shown by algae in the littoral zone, which change from green to red as the zone is descended
- Chromatic colour
noun 1. (physics) a formal term for colour (sense 2)
[kroh-mat-uh-siz-uh m, kruh-] /kroʊˈmæt əˌsɪz əm, krə-/ noun, Music. 1. the use of tones. 2. a style in which tones predominate.
[kroh-muh-tis-i-tee] /ˌkroʊ məˈtɪs ɪ ti/ noun, Optics. 1. the quality of a color as determined by its dominant wavelength and its purity. /ˌkrəʊməˈtɪsɪtɪ/ noun 1. the quality of a colour or light with reference to its purity and its dominant wavelength