LESSON 1
PRACTICE EXERCISE
1.
What are the gradations of brightness on a television system called?
a.
Gray scale
c.
Contrast scale
b.
Brightness balance
d.
Luminance balance
2.
What is the level ratio lightest light to darkest light called?
a.
Brightness range
c.
Illumination range
b.
Contrast range
3.
What is it called when the contrast range for a televised and the
reproduced picture match?
a.
Gamma of unity
c.
Gamma of 2
b.
Gamma of 0.5
5
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