FOCUSING MICROSCOPE 1. Adjust the course focus knob. Begin to focus on the object by adjusting the coarse focus knob. This will be the larger of the two knobs on the side of the microscope. Rotate the knob clockwise and counter clockwise until you see the best possible picture through the eyepiece QUESTION 1: How important is the coarse focus knob in viewing specimens under the compound microscope? 10 Practice Personal Hygiene protocols at all times.
:QUESTION 1 (ANSWER):While looking at the objective lens and the stage from the side, turn the coarse focus knob so that the stage moves upward toward the objectives. ... The turn the fine adjustment knob, as necessary, for perfect focus. Move the microscope slide until the image is in the center of the field of view.