I. Microscope Components:

a. Binocular eyepiece tube
b. Revolving Nose piece
c. Arm and Base
d. Stage and its associated parts
i. Movable slide clamp
ii. Stage motion controls
II. Optical Components
a. Light source
b. The condenser
c. Objective lenses
d. Resolving power
e. Depth of field
f. Parfocality
g. Working Distance
h. Ocular Lenses

1. What is the purpose of the condenser?

2. What is the function of the objective lens?

3. What is the relationship between the numerical aperture and the resolving power?

4. What is the total magnification of the microscope when the 10X objective len is used?

5. Working Distance of the objective lenses is the distance between the tip of that objective and the speciment being viewed. Based on these information, which objective lenses give you the longest working distance ?

6. Why is the microscope called the compound microscope?

7. What are two methods to increase contrast to a specimen?

8. What structure in the cell does Acetocarmine binds to and stain it red?

9. What structure in the potatoe does potassium iodide I2KI binds to?

10. What structures in the cell does Toluidine Blue binds to?