Medical microscopy : a guide to the use of the microscope in medical practice (1898)
Wethered, Frank Joesph, 1860-1928 · Philadelphia : Blakiston · leaf 32
possesses a high angle of aperture. In connection with this subject it may be mentionedthat low-power objectives with a high-angle and conse-quent shorter working distance will define much betterthan those with smaller apertures. Resolving power.—This again depends entirely uponthe aperture,… … Swifts Bacteriological Microscope. 18 MEDICAL MICROSCOPY. ive, however, may have perfect defining power, and yetby reason of its want of aperture it will be unable to dis-tinguish certain minutiae. It defines all that it can takeup, but cannot define what is not imaged by it. In choosing an…
Microscopy · Laboratory Techniques and Procedures · Medical microscopy
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