Lesson 3
PRACTICE EXERCISE
1.
You are copying an original that has writing on both sides and is translucent. What should you
place on the back of the original to prevent reflections?
a.
White paper
b.
Black paper
c.
Use a filter
d.
Use high contrast film
2.
You want to minimize distortion caused by the lens. How should your original be placed for
copying?
a.
Upside down
b.
Near the top
c.
Centered
d.
To the right of axis
3.
What is the main reason for placing your original upside down?
a.
Makes focusing easier
b.
Improves picture quality
c.
Easier filtering
d.
Improve camera operation
4.
What are two ways to check uniformity of illumination on your original?
a.
Bellows or pencil
b.
Exposure meter or estimate
c.
Estimate of long thin object
d.
Pencil or exposure meter
5.
How many lights should you use to obtain uniform lighting?
a.
One
b.
Three
c.
At least two
d.
Depends on lighting
6.
You are placing your lights. They should be placed at what angle between the light and the
original?
a.
30 degrees
b.
45 degrees
c.
60 degrees
d.
180 degrees
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