Focusing Tip
Can You Safely Use the Fine Adjustment Knob on High Power Microscope Settings?

Learn how and when to use the fine adjustment knob on high power magnification for precise focusing without damaging your microscope or slides.

Microscope Focusing Tip
Why Shouldn't the Coarse Adjustment Knob Be Used with 10x, 40x, or 100x Microscope Objectives?

Learn why the coarse adjustment knob risks damaging slides and lenses with high-power microscope objectives and when to use fine adjustment instead.