Microscope Parts and Functions Pre-Quiz

This lens focuses the light from the illuminator onto the specimen on the slide.

• coarse adjustment knob

• body tube

• base

• arm

• condenser lens

This is another term for the eyepiece.

• base

• arm

• ocular lens

• coarse adjustment knob

• body tube

This part turns in order to move three different lenses over the stage.

• arm

• base

• coarse adjustment knob

• body tube

• revolving nosepiece

You turn this to focus on the specimen when using high power.

• fine adjustment knob

• arm

• base

• body tube

• coarse adjustment knob

BOTH of these should be held when transporting the microscope.

• arm

• condenser lens

• base

• body tube

• coarse adjustment knob

The part that you place the slide on top of.

• arm

• stage

• body tube

• coarse adjustment knob

• base

This part connects the ocular lens with the objective lenses.

• base

• coarse adjustment knob

• body tube

• condenser lens

• arm

There are three or four different ones that allow you to change the magnification of the image.

• objective lenses

• arm

• base

• coarse adjustment knob

• body tube

This controls the amount of light that reaches the specimen.

• coarse adjustment knob

• arm

• base

• diaphragm

• body tube

This objective lens should never be used with the coarse adjustment knob.

• base

• body tube

• high power lens

• arm

• coarse adjustment knob