View source for Coarse Focusing Wheel

==Key Stage 3==
===Meaning===
The '''coarse focusing wheel''' is a dial on a [[microscope]] which moves the [[stage]] a large amount to find and to [[focus]] the [[image]].
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|[[File:MicroscopeDiagram.png|center|500px]]
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===About the Coarse Focusing Wheel===
: The '''coarse focusing wheel''' moves the [[stage]] by a large amount making it is difficult to [[focus]] the [[image]] with it, so the [[Fine Focusing Wheel|fine focusing wheel]] must be used to make a clear, sharp [[image]].