Microscope Focus Tip
When Should You Stop Using the Coarse Adjustment Knob on a Microscope?

Learn when to stop using the coarse adjustment knob and switch to the fine adjustment for safe and clear microscope focusing.

Coarse Adjustment Caution
When Should You Avoid Using Coarse Adjustment on a Microscope?

Learn why coarse adjustment should not be used with high-power microscope objectives (40x or higher) to protect lenses and specimens.