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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.
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Which adjustment knob should be used first when focusing the microscope?
The coarse adjustment knob should be used first to bring the specimen into general focus. Then, the fine adjustment knob can be used for precise focusing.
Why should the course-adjustment knob on a microscope not be used with a high-power objective lens?
The course-adjustment knob moves the stage up and down quickly, and using it with a high-power objective can potentially damage the objective or slide due to a rapid change in focus. It is best to use the fine-adjustment knob when using a high-power lens for precise focusing.
What does the course adjustment do to a microscope?
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.
What adjustment knob should be used first when trying to focus the microscope?
The coarse adjustment knob should be used first to bring the specimen into focus at the lowest magnification. It allows for larger adjustments in focus compared to the fine adjustment knob.
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.
