With the higher power objective lenses, use only this knob to focus.
A)fine adjustment knob
B)iris diaphragm lever
C)course adjustment knob

Name: With the higher power objective lenses, use only this knob to focus. A)fine adjustment knob B)iris diaphragm lever C)course adjustment knob
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The fine adjustment knob is used for focusing with higher power objective lenses because it allows for more precise adjustments than the coarse adjustment knob.

With the Higher Power Objective Lenses, Use Only This Knob