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4-68.
You are using the bounce-lighting
technique with an electronic flash
set to "manual."
The flash-to-
ceiling-to-subject distance is
14 feet.
The guide number of the
flash is 220.
What f/stop should
you use to expose the film
correctly?
1.
f/16
2.
f/11
3.
f/8
4.
f/5.6
4-69.
You are using an electronic-flash
unit.
Which of the following
techniques should you use to
minimize distracting background
shadows?
1.
Hold the flash above the lens
2.
Bounce the flash off the
ceiling or bulkhead
3.
Diffuse the light from
the flash unit
4.
Each of the above
4-70.
What is the best general lighting
ratio for both black-and-white and
color photography?
1. 1:1
2. 2:1
3. 3:1
4. 5:1
4-71.
You are using two flash units with
the same ECPS to illuminate the
subject.
You should place (a) the
main light and (b) the fill light
at which of the following distances
from the subject to achieve a 3:1
lighting ratio?
1.
(a) 8 feet (b) 11 feet
2.
(a) 6 feet (b)
6 feet
3.
(a) 4 feet (b) 16 feet
4.
(a) 4 feet (b)
8 feet
4-72.
A common occurrence with the
synchro-sunlight technique is it
produces images of the subject that
appear as though they were taken at
night with a single flash unit.
What is the most probable cause of
this problem?
1.
The flash unit was not
powerful enough
2.
The flash illumination
overpowered the sunlight
3.
The aperture used was too wide
4.
The lens was not synchronized
with the flash unit
4-73.
What is the first step in
calculating synchro-sunlight
exposure?
1.
Determine the correct daylight
exposure
2.
Determine the desired flash-to-
subject distance
3.
Establish the camera-to-subject
distance
4.
Establish the camera-to-flash
distance
4-74.
You are using an electronic flash
unit to light a subject 20-feet
away at night.
The indicated
f/stop on the flash unit is f/11.
What f/stop should you use to
expose the subject?
1.
f/16
2.
f/11
3.
f/8
4.
f/5.6
4-75.
You are using two flash units
of equal intensity that are
equidistant from the subject to
illuminate the same area of the
subject.
The calculated f/stop
for one flash unit is f/16. What
f/stop should you use to expose
the image?
1.
f/11
2.
f/16
3.
f/22
4.
f/32
33

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