Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 60
THE MICROSCOPE-STAND 39 … Fig. 16.—The Apla-natic Magnifier. recalled that the magnifying power of a lens depends upon itsfocus, and the focus, again, upon its radius of curvature. Forthis reason, a lens of 1 inch diameter having a focus of 1 inchwould be a hemisphere ; and as the distortion with an uncor-rected…
Microscopy
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