1. Eye Piece (ocular)
Coarse Focus
Fine Focus
Arm
Stage Clips
Pivot
Point
Base
Body Tube
Revolving Nose Piece
Low Power Objective
High Power Objective
Stage
Diaphragm
Mirror 1
2. 1) Eye Piece (ocular) –
the lens that you look through
2) Body Tube –
the tube that supports the eyepiece
2
3. 3) Revolving Nosepiecethe rotating device that holds and
changes the objectives (lenses).
Revolving
AperatureOpening in the
stabe to allow light
from mirror or
light to pass
3
4. 4) Low Power
Objective –
magnification lens
with the lowest power
5) High Power
Objective –
magnification lens
with the highest
power
6) Stage Clips –
clips that keep the slide or specimen from moving
4
on the stage
6. 8) Diaphragmcontrols the amount of light entering through
the aperature to the objectivefrom the bottom
6
7. 9) Pivot Pointpart that allows
you to tip the
ocular toward
you
Pivot
Point
Base
Mirror
10) Basesupports the microscope
11) Mirror
reflects (bends) the light upward onto the slide
7
8. 12) Fine Focus Adjustment –
moves the body tube in small increments
13) Coarse Focus Adjustmentmoves the body
tube in large
increments
14) Arm –
attaches the
eyepiece and the
body tube to the
base
8
10. Calculate Total Magnification
Total Magnification =
ocular power x objective lens power using
Ocular power is generally 10X, meaning
it has a magnification or power of 10X
10
