The document summarizes the main parts of a compound microscope and their functions. It describes the base, light source, stage, stage clips, arm, coarse and fine adjustments, eyepiece, body tube, nosepiece, high power objective, low power objective, scanning lens, and disk diaphragm. Each part has a specific role in allowing magnification and viewing of specimens.

1. Parts of a Compound Microscope
So EASY a KID could use it!

2. Base
• The bottom of
the microscope,
used for support
• Hold this part
with one hand
when carrying a
microscope
←

3. Light Source (or Mirror)
• Projects or
reflects the light
so the specimen
is easier to see
←

4. Stage
• The flat platform
where you place
your slides.
• The hole in it is
called the
condenser, which
← allows the light
to shine through

5. Stage Clip
• Shiny clips on
the top of the
stage
• Holds a slide in
place
←

6. Arm
• Supports the
tube and
connects it to the
base
• The part you hold
← when you carry
the microscope

7. Coarse Adjustment
• Large, round knob
on the side of the
microscope
→ • Either moves the
stage or the top
part of the
microscope up
and down

8. Fine Adjustment
• Small, round
knob on the side
of the microscope
• Used to fine tune
→ the focus after
using the coarse
adjustment knob.

9. Eyepiece
→ • The lens at the
top that you
look through.
• 10X power

10. Body Tube
• The long tube that
holds the
→ eyepiece and
connects the
objective

11. Nosepiece
• Rotating part of
the microscope at
the bottom of the
body tube.
← • It holds the
objective lenses

12. High Power Objective
• The longest
objective lens
• The highest
magnification
→ • 40X lens
(40X x 10X =
400X
magnification)

13. Low Power Objective
• The medium
length objective
lens
• The medium
magnification
← • 10X lens
(10X x 10X = 100X
magnification)

14. Scanning Lens
• The shortest
length objective
lens
• Use 1st to focus on
object, then
switch to higher
power
• 4X lens
(10X x 4X = 40X
magnification)

15. Disk Diaphragm
• Controls the
amount of light
going through the
condenser (hole)
in the stage
→