13. How much more light passes through a lens at 1/15 second than at
1/500? How much is this in f/stops?
a.
64
times,
5
stops
b.
32
times,
5
stops
c.
32
times,
6
stops
d.
16
times,
4
stops
e.
16
times,
5
stops
For questions 14 and 15 use an initial exposure setting of 1/30 second at
f/45.
14. What shutter speed is equivalent to the initial exposure setting if
the f/stop is changed to f/11? f/4? f/64?
a.
1/500,
1/2000,
1/15
b.
1/250,
1/4000,
1/8
c.
1/500,
1/1000,
1/15
d.
1/500,
1/4000,
1/15
e.
1/500,
1/4000,
1/60
15. What f/number is equivalent to the initial exposure if the shutter
speed is changed to 1/2 second?
1/500 second? 1/8 second?
a.
f/180, f/11,
f/90
b.
f/90, f/5.6,
f/64
c.
f/128, f/11,
f/64
d.
f/256, f/16,
f/128
e.
f/180, f/11,
f/128
For questions 16 through 20 refer to the daylight exposure table, Table 1-7.
Use the shutter speed sequence for focal plane shutters.
16. Using ISO 125 film in bright sun and shooting an average subject, what
is the basic exposure?
a.
1/125
second
at
f/8
b.
1/125
second
at
f/11
c.
1/125
second
at
f/16
d.
1/125
second
at
f/32
e.
1/60
second
at
f/32
17. What is the basic exposure using ISO 125 film in bright sun, backlit
with a bright subject?
a.
1/125
second
at
f/8
b.
1/125
second
at
f/11
c.
1/125
second
at
f/16
d.
1/125
second
at
f/32
e.
1/60
second
at
f/32
26
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