2. MICROSCOPES

3. WHAT’S MICROSCOPE ?
WHAT’S MICROSCOPY ?
Microscope : Microscopy :
an instrument The use of
used to see microscopes
objects that in all their
are too small various
for the naked forms
eye.

4. TYPES OF MICROSCOPES
Light
Microscope

5. TYPES OF MICROSCOPES
Electron
Microscope

6. PRINCIPLE OF LIGHT
MICROSCOPY
To magnify an object the light microscope
uses a system of lenses ( ocular and
objectives) to manage the bath of a light
beam that travels between the object being
studied and the eye

8. H O W T O C O R R E C T LY U S E A
MICROSCOPE

9. PA R T S O F T H E L I G H T M I C R O S C O P E

10. OBJECTIVE LENSES
Onion epidermis
10X 40X 100X

11. T O TA L M A G N I F I C AT I O N P O W E R
OF MICROSCOPE
Ocular lens Objective lens
Ocular lens = 10
Objective lens = 4 , 10 , 40 , 100

12. CARE OF MICROSCOPE
Transport the microscope properly. Always carry
your microscope with two hands: one holding the
base and the other the arm
Remember to clean both the ocular lenses and the
objective lenses using lens paper .
Plug in your microscope before powering it on .

13. CARE OF MICROSCOPE
When you are finished , rotate the nosepiece so
that it's on the low power objective, roll the
nosepiece so that it's all the way down to the
stage, then replace the dust cover.
Clean all slides, materials, and work area when
you're done

14. Done by ..
Hiam Osama Mulla
Mshaa’el Abdullah Al-Rasheed