Answer:

Proper Ways of Using a Compound Microscope based on the Illustration

Explanation:

Illustration A:

This is the proper way to carry a microscope.

1. Always hold and carry the microscope using 2 hands.

2. Use both of your hands in carrying a microscope, place

one hand on the microscope arm and your other hand under the microscope base.

3. Do not touch the objective lens

Illustration B:

Arranging and turning the knob of the Revolving Nose piece:

1. Always starts at the lowest level of magnification.

2. When turning the nosepiece turret, you should hear a click and feel rigid when it is in place.

3. Next is, twisting the coarse focus knob (large one)  

on the side of the base and the stage moves upward toward the short objective lens.

Illustration C:

Looking into occulars:

1. When looking into the oculars, Use the coarse adjustment knob to  

move the stage downward until your specimen comes into focus.

2. If needed, sharpen the focus by using the coarse adjustment knob.  

3. Make sure to put only a minimal amount of adjustment.

 Lastly, if necessary center the specimen in the field.

Illustration D:

Looking into the eyepiece:

1. While looking into the eyepiece, adjust the diaphragm and the mirror

until a bright white circle of light is visible

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