23.
What is meant by the optimum aperture of a particular lens?
_______________________________________________________________________________.
24.
What is "depth of field"?
_______________________________________________________________________________.
25.
When you are focusing on several objects at the same time, how can you
make sure that you get all of the objects in focus when they are at different
distances from the camera?
_______________________________________________________________________________.
26.
What is meant by "depth of focus"?
_______________________________________________________________________________.
27.
Using the illustration (right),
identify
and
list
the
various
f/stops
and
depth
of
field
distances.
Setting (f)
Depth of field(ft.)
to
to
to
to
to
to
to
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