ANSWERS TO PRACTICE EXERCISE
1.
Optical Center, Lesson 2/Learning Event 1
Para 1b.
2.
Focal plane, Lesson 2/Learning Event 2
Para 1.
3.
Infinity, Lesson 1/Learning Event 1
Para 1c.
4.
Infinity, Lesson 1/Learning Event 1
Para 1c.
5.
Focal length, Lesson 2/Learning Event 1
Para 1.
6.
Focal length, Lesson 2/Learning Event 2
Para 1.
7.
A lens twice the focal length, Lesson 2/Learning Event 2
Para 3.
8.
100mm, Lesson 2/Learning Event 1
Para 1.
9.
Wide angle or short focal length, normal or normal focal length, and
telephoto or long focal length.
Lesson 2/Learning Event 2
Para 3.
10.
Decreases, Lesson 2/Learning Event 4
Para 1.
11.
a.
Less than 45 degrees
b.
45 to 55 degrees
c.
More than 55 degrees
Lesson 2/Learning Event 3
Para 4.
12.
Height and width, Lesson 2/Learning Event 4
Para 1.
13.
Lens to subject distance, Lesson 2/Learning Event 4
Para 5.
14.
Telephoto or long focal length, Lesson 2/Learning Event 4
Para 2.
30
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