Which Microscope Knob Should You Avoid Using at High Power?
Learn why you should not use the coarse adjustment knob at high power on a microscope and the importance of the fine adjustment knob for precise focusing.
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.