Nikon 2SB Photomic Manual de instrucciones - Página 20
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Imprimir páginaDEPTH OF FIELD-continued
Depth-of-Field Indicators
Depth
of field can
be read directly
from
the distance
scale
in meters
or feet
with
the aid of the color-coded
depth-of-field indicators
engraved on the
lens barrel.
Each pair
of colored
lines on
either side of the
central
distance
scale
index line
corresponds
to
fjnumbers of
the
same color on the aperture scale.
To
find the
depth
of
field
at a
particu lar
aperture, first focus
the lens
on
the
su bject while looking
through
the viewfinder. Then
check
the numbers on
the
distance
scale to
determine the zone
of focus
for
the
aperture
in use. The three photos shown
clearly depict the
changing
depth
of field;
with
the
photo
to the
right,
the field
is
shallow at the fj4 setting,
while
the
photo
at the far right shows a depth of field
extending from approximately 2.7m
(9 ft)
to
infinity
(00).
20
Lens
set at f/4: Shallow
depth of
fie
ld
centered
on
the rna,in
subject.