When using a compound microscope, the areas above and below the depth of focus are best viewed by adjusting the:
A)Eyepiece lens.
B)Fine or coarse adjustment.
C)Intensity of the illumination.
D)Numerical aperture.

Question

Quizplus · Accepted Answer

The fine or coarse adjustment knobs on a microscope are used to move the stage up or down, thereby bringing different planes of the specimen into focus. This is essential for viewing areas above or below the depth of focus by adjusting the distance between the objective lens and the specimen.

When Using a Compound Microscope, the Areas Above and Below