Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 282
ge is turned right side up by means ofa lens or combination of lenses placed between the objectiveand eyepiece. The compound microscope. — The compound microscope,Fig. 198, consists of two converging lenses, the objective andthe eyepiece. The object BQ is placed just outside the focallength of the… … FIG. 198. — The compound microscope. It will be noticed that the object is magnified twice: first, bythe objective, and second, by the eyepiece. The opera glass. — The opera glass is a combination of twolenses; the objective C is a double convex lens and the eye-piece c is a double concave lens.…
Physics · Home Economics
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