Invention of the Microscope

• Anton van Leeuwenhoek• First to publish images

seen with his microscope • Dutch lens maker• 1673

Early Microscopes

These are microscopes you may encounter here at WIS

Scanning Electron Microscope

Microscope “Anatomy”

EYEPIECE

ARM

COURSE ADJUSTMENT

FINE ADJUSTMENT

TURRET OR NOSEPIECE

OBJECTIVES

LOWHIGHMEDIUM

CLOSE UP OF HIGH POWER

This part moves if it comes too close to a slide

STAGE

STAGE CLIP

DIAPHRAGM

SUBSTAGE ILLUMINATOR OR LIGHT

BASE

Focusing the microscope

• Focus 1st with coarse, then fine, adjustment

• Turn coarse adjustment knob to move objective all the way toward stage

• Start with lowest power (10x) objective

• Adjust lighting through diaphragm

Microscopes and the Human Body

http://www.pbrc.hawaii.edu/bemf/microangela

Microscopes In the Bug World

http://www.pbrc.hawaii.edu/bemf/microangela/

http://www.pbrc.hawaii.edu/bemf/microangela/

http://www.pbrc.hawaii.edu/bemf/microangela/

http://www.pbrc.hawaii.edu/bemf/microangela/

Microscopes in Technology

http://www.lucent.com

http://micro.magnet.fsu.edu

http://micro.magnet.fsu.edu/

Http://www.lucent.com

Think about it...

• How does the development of the microscope affect you?

• What would the world be like if we could only work with things we could see with the naked eye?

• How do you think microscopes will affect us in the future?