The Microscope

The History of the Microscope

Parts

The Eyepiece/ Ocular

• Contains Lenses

Base

• Supports weight of microscope

Mirror

• Reflects light upward through diaphragm and hole in stage

Stage

• Supports slide over hole that admits light from mirror below.

Arm

• Supports the body tube and course adjustment.

Fine Adjustment

• Permits exact focusing

Coarse Adjustment

• Move body tube up and down, approximately to the correct distance from the specimen.

Body Tube/ Nosepiece

• Holds lenses of ocular and objective at the proper distance form each other.

Stage Clips

• Holds specimen slide in place.

Objective Lenses

• Lenses of different magnifications.

• The longer ones are the higher power and the shorter ones are lower in power.

Diaphragm

• Regulates the amount of light passing through the specimen.

Wet Mount Slide

Slide Procedure

Electron Microscope