Question

how important is the coarse focus knob in viewing specimens under the compound microscope​

Answer 1

Answer:

While looking at the objective lens and the stage from the side, turn the coarse focus knob so that the stage moves upward toward the objectives. ... The turn the fine adjustment knob, as necessary, for perfect focus.

Answer 2

Explanation:

• To approach or near focus the specimen, adjust the coarse focus knob.
• Focus (fine), After bringing the image into focus with the coarse focus knob, use the fine focus knob to make it more sharply focused.
• You may focus a microscope to provide the clearest image of the specimen using the coarse and fine focus settings on the device.
• Just keep in mind to utilise the fine focus knob the rest of the time and the coarse focus knob when using the 4x objective.
• Only the lowest power objective lens should be used with the coarse adjustment knob.
• You will only need to utilise the fine focus once it is in focus.
• You will only need to utilise the fine focus once it is in focus. With higher lenses, using the coarse focus could cause the lens to fall into the slide.

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