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Light source and diaphragm.

The diaphragm is the opening like and iris in the stage. It can be made large and small like the pupils of the eye.

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Q: What part of microscope helps adjust the brightness of an image?
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What part of the microscope helps adjust the brightness of an image?

The objective lens helps adjust the brightness of an image.


What part of a microscope helps adjust the brightness of the image?

Objective Lens.


What part of a microscope helps adjust brightness of an image?

Objective Lens.


What parts of a microscope helps adjust the brightness of an image?

Objective Lens.


What part of a microscope helps adjust the brightness of an image?

Objective Lens.


What part of the microscope adjust the brightness of an image?

the objective lens


What part of the microscope help adjust the brightness of an image?

Brightness can be changed by changing the voltage to the lamp and adjusting the condenser and diaphragm/pinhole apertures.


What should you adjust in microscope if you keep seeing your eyelashs when you try to view an image?

adjust eyepiece


You are looking down the microscope and can only see a small part of the image in your field of view Which part of the microscope do you adjust to centre the image?

zoom


How does closing the iris diaphragm affect image brightness and contrast?

An iris diaphragm controls the amount of light admitted to a lens. Closing the iris diaphragm will decrease the brightness and increase the contrast of an image.


How do you see a clear image using a light microscope?

Adjust the coarse focus as best as possible and then adjust the fine focus knob til it looks really good


Why does the ocular lens adjust?

The ocular lense adjustment allows the image from the microscope to be precisely focused on the retina of the viewer's eye.