achromatic
51achromatic — Having no color …
52achromatic lens — noun Date: circa 1864 a lens made by combining lenses of different glasses having different focal powers so that the light emerging from the lens forms an image practically free of chromatic aberration …
53achromatic apparatus — См. acromatic figure …
54achromatic lens — Optics. a system of two or more lenses that is substantially free from chromatic aberration and in which the lenses are made of different substances so that the focal length of the system is the same for two or three wavelengths of light. Also… …
55achromatic prism — Optics. a system of two or more prisms of different substances that deflects but does not disperse a beam of light. * * * …
56achromatic lens — noun A lens generally composed of two separate lenses, one convex and one concave and generally of different materials, in such a way that the chromatic aberration produced by one is corrected by the other …
57Achromatic color — Ахроматический цвет …
58Achromatic colour — Ахроматический цвет …
59Achromatic composition — Ахроматический синтез …
60Achromatic edition — Издание, отпечатанное в одну краску; Одноцветный оттиск …