Microscope Parts and Functions

Front

The part you look through to see the specimen, usually 10x magnification.

Back

Eyepiece (Ocular Lens)

Front

Lenses with different magnifications (e.g., 4x, 10x, 40x) to zoom in on the specimen.

Back

Objective Lenses

Front

The flat platform where you place the slide.

Back

Stage

Front

Metal clips that hold the slide in place.

Back

Stage Clips

Front

Provides light to illuminate the specimen, either a mirror or built-in lamp.

Back

Light Source

Front

Adjusts the amount of light that reaches the specimen.

Back

Diaphragm

Front

Moves the stage up and down for large adjustments in focus.

Back

Coarse Focus Knob

Front

Makes small adjustments to sharpen the image.

Back

Fine Focus Knob

Front

The part you hold when carrying the microscope.

Back

Arm

Front

The bottom part that supports the microscope.

Back

Base