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The coarse focus on a microscope is provided to move the instrument quickly to where it is nearly in focus. Some microscopes only have a coarse focus. The fine focus is used to move with slower and more precise adjustment to where the instrument is exactly in focus.

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Q: What does the coarse focus knob on a microscope do?
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What is the function of the coarse focus knob of the microscope?

To focus the image of the specimen


What is the part of a microscope brings objects into a rapid but coarse focus?

coarse adjustment knob


What is the function of the course adjustment knob on a microscope?

The function of the coarse adjustment knob on a microscope is to lower or raise the stage of the microscope. This mechanism is used to focus the specimen.


What objective brings a specimen into focus using a microscope?

coarse sdjustment knob


What is a course adjustment knob?

The coarse adjustment knob is a component of a microscope. It is used to lower or raise the stage of the microscope in order to focus the specimen.


What are the the names of the parts of the microscope that change the magnification?

The names of the parts of the microscope that change the magnification is the coarse focus knob.


What job does the focusing knob do on a microscope?

The final focus? Its used for final focusing of the specimen.


What does a course focasing knob do on a microscope mean?

A coarse knob allows quick movement to roughly focus on a specimen. After which, the fine knob is used to finely hone in on the specimen and bring it in to clear focus.


Why is it dangerous to focus using the coarse adjustment knob for on a microscope when using high power?

It can burn your eye.


What knob turns and is used to raise or lower the body tube to focus a microscope?

you get horny


When Using A Coarse focus knob On A Microscope why should you view the slide from the side?

Because It Could Blind You


What are the adjustment knobs on the microscope used to change focus?

the big knob is called the coarse adjustment knob and the smaller one is the fine adjustment knob coarse does a large scale focus, fine does such small scale focus you can only see a difference in how the (item under microscope) looks. You don't see the stage / nosepeice move up or down.