A' Eyepiece

1
A. Eyepiece
E. Arm
I. Condenser Lens
Light Microscope
B. Tube
F. Coarse-adjustment Knob
J. Diaphragm
C. Revolving Nosepiece
G. Fine-adjustment Knob
K. Light Source
D. Objective Lens
H. Stage
2
Magnifies the object. Found in 3 different
magnifications.
D. Objective Lens
3
Directs light to the object being viewed.
I. Condenser Lens
4
Use with medium and high power magnification to
bring object into sharper focus.
G. Fine-adjustment Knob
5
Rotating disk which holds 2 or more objective
lenses.
C. Revolving Nosepiece
6
Connects the base and the tube.
E. Arm
7
You look through this part. It has a lens that
magnifies by 10x.
A. Ocular Lens
8
Supports the microscope slide.
H. Stage
9
Holds the eyepiece and the objective leses at the
correct distance from each other.
B. Tube
10
Magnifies the object. Found in 3 different
magnifications.
D. Objective Lens
11
Moves the tube up and down to focus the object.
F. Coarse-adjustment knob
12
Controls amount of light reaching the object
being viewed.
J. Diaphragm
13
Illuminates object being viewed.
K. Light Source