Nikon fe - Manual (Page 23)

1
Depth -of-Field Indicators
Virtually every Nikkor lens comes with three scales
which can be used for determining the depth of field.
The first is the lens aperture scale, with the f/numbers
color-coded. The second consists of two sets of colored
lines, the colors corresponding to the colors of the
f/numbers. The third is the focusing scale which is cali­
brated in meters and feet.
To determine depth of field, note the color of the f/
number in use. The depth of field at the taking aperture
is indicated by the numbers on the focusing scale which
are adjacent to the colored lines that correspond to the
color of the f/number set.
Example:
Taking aperture: f/16
Color: Blue
Focusing distance: 5m
In the example above, the farthest point of sharp focus
behind the subject is infinity (°®); this is the figure on the
focusing scale which is adjacent to the blue line on the
second scale, which in turn corresponds to the blue color
of the f/16 setting. The closest point of sharp focus is
2.7m, although this number does not appear in the
focusing scale.
Note that for exact depth-of-field determination, you
should refer to the depth-of-field tables in the instruc­
tion manual for the Nikkor lens in use.
Lens set at f/4: Shallow
depth of field centered on
the main subject.
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