Olympus 35RC - Page 27

 DEPTH OF FIELD
If
the
focus
is
set
at
a
certain
distance,
objects
at
—
determine
distance
to
the
subject
and
then
locate
that distance are most clearly photographed.
depth of field on the chart.
At the same time, an area ahead and behind this To some extent you can control depth of field by
distance is also in focus. This area is called the your choice of shutter speed. The slower the
“depth of field”. The larger the F/stop number is, shutter speed, the larger the F/stop number and,
the greater the depth of field. thus, the greater the depth of field.
For example, assume you are shooting a subject 3
meters (10 ft.) away at F/stop 16. From the chart
you can see your depth of field will be 1.47m (4.85
ft.) to infinity. In automatic exposure you can read
off the F/number from the scale in the viewfinder,
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