Lesson 2
PRACTICE EXERCISE
1.
What is the technical name for the zoom lens?
a.
Variable focus lens
b.
Short angle, long angle lens
c.
Speed lens
d.
Wide angle lens
2.
What is a telephoto lens?
a.
Short focal length lens
b.
Long focal length lens
c.
Wide angle lens
d.
Narrow angle lens
3.
Which is the correct definition of a lens aperture?
a.
A mechanism to control the amount of light admitted through the
lens
b.
A control for white balance setting on the camera
c.
A mechanism to control and adjust the black balance on the camera
d.
A control for color resolution
4.
Which is the correct definition of an f/stop?
a.
A variation of the iris and pickup tube setting
b.
A reference guide for iris correction
c.
A standard scale that indicates the amount of light to enter
through lens
d.
A focus adjustment on a zoom lens
5.
What does a large aperture opening represent?
a.
A
smaller amount of light able to enter the lens
b.
A
smaller f-stop number
c.
A
larger f-stop number
d.
A
lower f-stop number is greater depth of field
6.
The automatic iris control is used for what?
a.
A light-sensitive control that adjusts the iris automatically
b.
A control for allowing only the amount of light needed
c.
A control for opening and closing down the iris
d.
All of the above
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