A 60-mm-diameter microscope objective has a focal length of
A 6.0-mm-diameter microscope objective has a focal length of 9.0 mm.
a. What object distance gives a lateral magnification of -40?
b. What is the lens's numerical aperture in air?
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a 60-mm-diameter microscope objective has a focal length of 90 mma what object distance gives a lateral magnification
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