Focus Adjustment Tips
Which Microscope Adjustment Knob Is Used to Adjust the Stage?

Learn how the coarse adjustment knob is used to move the stage on a light microscope for quick focusing at low magnification.

Microscope Coarse Adjustment
What Happens When You Turn the Coarse Adjustment Knob Away From You on a Microscope?

Learn how turning the coarse adjustment knob away on a microscope affects focusing and why careful use is important to avoid slide or lens damage.