Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 689
the magnification in a virtual image by the svs-tem I is greater for short waves than for long, and conse-quently the whole objective will magnify a blue object morethan a red one, unless the system u exactly reverses this 678 EFFICIENCY OF OPTICAL INSTRUMENTS. relation, i.e. unless it changes the… … fig. m. responding system in Fig. 448 B cannot correct the defect inquestion in the anterior portion, because the separation hasbeen made for the sake of reducing the relative difference ofcurvature of the wave surfaces. Thus, it appears that in thisobjective and, in general, in any s}^stem in…
Physics
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