The Microscope and Cell Theory The Microscope - York University
The Microscope
description
Transcript of The Microscope
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?