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A course adjustment knob on a microscope moves the stage or objective lens in large increments, allowing you to quickly bring the sample into rough focus. It is used to initially focus on the specimen before using the fine adjustment knob for finer focusing.

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Q: What does the course adjustment do to a microscope?
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What is the accomplished by turning the course adjustment upwards and donwwards of microscope?

Turning the course adjustment knob upwards or downwards on a microscope moves the stage closer to or further from the objective lens, allowing you to bring the specimen into focus. This adjustment is used to quickly bring the specimen into view at low magnification.


Should you move the course adjustment while on high power?

No, you should not move the course adjustment while on high power as it can damage the microscope or the specimens in view. It is recommended to make adjustments to the course adjustment only while on low power.


Why should you never use a course adjustment knob on High power?

Using the course adjustment knob on high power can cause the microscope to move too quickly, potentially damaging the specimen or the objective lens. It is better to use the fine adjustment knob on high power for precise focusing.


What part of the microscope doesnt move when the adjustment knob move?

The stage of the microscope, where the specimen is placed, does not move when the adjustment knob is turned. Instead, the focus of the microscope is adjusted by moving the stage up and down by use of the adjustment knob.


Why should course adjustment not be used with high-power?

Course adjustment should not be used with high power because it can cause the microscope stage to move quickly and possibly crash into the objective lens or slide, causing damage. Additionally, using high power with course adjustment can result in a blurry image due to the rapid movement and lack of precision. It is better to use fine adjustment for precise focusing when using high power.