The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 304
rom this how it is possible to produce colorless images by com-bining flint-glass concave and crown-glass convex lenses; or otherpairs of lenses where the dispersion and refraction give comparableresults. In making the color corrections for the lenses, the spherical cor-rections were also made; the… … Fig. 173. Achromatic Combinations of Crown and Flint Glass Lenses.(From Lewis Wrights Optical Projection). C C C C C C Thin edge or converging crown glass lenses. F F F F F F Thick edge or diverging flint glass lenses. The flint glass over-comes the dispersion without overcoming the mean…
Microscopy · Microscopy -- Technique
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