How to Safely Use the Coarse Adjustment Knob on a Microscope
Learn why the coarse adjustment knob should only be used with low-power lenses to protect your microscope and slides.
Why Should You Never Adjust the Coarse Focus at High Power on a Microscope?
Learn why adjusting the coarse focus knob at high magnification can damage microscope slides or lenses, and how to properly focus using the fine knob.