Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 116
having an aplanatic cone of 0*50, an effective workingaperture is obtained of 0*90 (l,30 + 0,50-f-2). If the same ob-jective is used with a well-corrected condenser having an aplanaticaperture 0*90, an effective working aperture of 1*10 is obtained(1-30 + 0-90^2). Swift and Son make a range of… … Fig. 34.—C. Bakers Achromatic Condenser. versal and the oil immersion of the latter series; these areconstructed on the principle of the Holoscopic objectives, andhave aplanatic apertures closely approaching their total aper-tures. The Universal has a large back lens 0*92 inch diameter,an aplanatic…
Microscopy
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