Parts of a Microscope

Question 1

Eye piece lens

Answer 1

The eye pieces are the lenses at the top that the viewer looks through.
Function: Magnifies specimen

Question 2

Tube

Answer 2

Where the eye pieces are dropped in.
Function: The tube connects the eye pieces to the objective lenses.

Question 3

Base

Answer 3

The bottom of the microscope
Function: what the microscope stands on

Question 4

Arm

Answer 4

Structural element
Function: Connects the head of the microscope to the base.

Question 5

Stage with clips.

Answer 5

The flat platform that supports the sides. Stage clips hold the slides in place. You can move the stage up and down with the adjustment knobs.

Question 6

Objective lens

Answer 6

Usually you will find 3 or 4 of them on a microscope.
Function: Magnifies Specimen

Question 7

Diaphragm

Answer 7

Typically located beneath the stage.
Function: Controls the amount of light passing through the specimen.

Question 8

Nosepiece

Answer 8

Holds the objective lenses

Question 9

Light source

Answer 9

Usually located beneath the stage.
Function: Shines light into the tube through the specimen.

Question 10

Coarse adjustment knob

Answer 10

Moves the tube up or down over large distances.

Question 11

Fine adjustment knob

Answer 11

Moves the tube slightly to perfect focus.