If the microscope is not parfocal,the user should make focusing adjustments using the ________ adjustment knob when viewing a specimen under high power.
A) coarse
B) condenser
C) stage
D) fine

Question

Quizplus · Accepted Answer

When the microscope is not parfocal, the user should use the fine adjustment knob to make focusing adjustments when viewing a specimen under high power. The fine adjustment knob allows for small, precise adjustments to the focus, which is necessary when using high magnification. The coarse adjustment knob is used for larger, initial focusing adjustments, while the condenser and stage adjustments are used for optimizing image quality and illumination, respectively.

If the Microscope Is Not Parfocal,the User Should Make Focusing