Microscope Care + Use

Front

What is a microscope?

Back

A microscope is an instrument that makes small objects appear larger.

Front

What is total magnification?

Back

Total magnification is calculated by multiplying the magnification of the ocular lens by the magnification of the objective lens.

Front

If the ocular lens is 10X and the objective lens is 40X, what is the total magnification?

Back

400X

Front

What should you do when you are done using a microscope?

Back

Always rotate the objectives to the low-power (4X) objective and lower the stage.

Front

What is the function of the fine adjustment knob?

Back

The fine adjustment knob sharpens the image under high magnification.

Front

What do stage clips do?

Back

Stage clips keep the slide secure on the stage.

Front

What is the purpose of the diaphragm in a microscope?

Back

The diaphragm controls the amount of light that reaches the slide.

Front

What is the difference between coarse and fine adjustment knobs?

Back

The coarse adjustment knob is used for initial focusing, while the fine adjustment knob is used for sharpening the image.

Front

What is the low-power objective lens typically magnification?

Back

The low-power objective lens typically has a magnification of 4X.

Front

What is the medium-power objective lens typically magnification?

Back

The medium-power objective lens typically has a magnification of 10X.