Filter
Top Products
Depth
of
Field
Depth
of
field refers to the zone
of
acceptable focus
extend
in
g
in
front
of
and behind the plane
of
sharpest
focus. Within this zone, image blur
is
negligible and
everything can
be
considered
as
being
in
sharp focus.
T a observe the depth
of
field with the
PC-N
ikkor lens,
it
is
necessary to manually set the diaphragm to the
required shooting apertur
e;
for procedures, refer to
"Setting the Aperture" on page
6.
Depth
of
field can also
be
determined
by
reading the
color-coded depth-of-field indicators engraved on the
lens barrel opposite the distance
sca
le.
Ea
ch pair
of
colored
lin
es
corresponds to
an
f/number
of
the same
color engraved on the lens front
rim_
To find the depth
of
field at a particular aperture, focus the lens on the
subject and then check the numbers on the distance
scale opposite the colored
lin
es
that match the color
of
the preset shooting aperture setting.
Wh
en
in
doubt
about
depth
of
fie
ld
for a critical
shooting situatio
n,
refer to the tables on page 20 and
21
of
this instruction manual.
Recommended
Focusing
Screens
Various
interchangeable
focusing
screens
are
available
for
F3- and F2-series cameras
to
suit
any
ty
pe
of
lens
or
pi
ct
ure
-tak ing
situation.
Those
which
are
recommended
for
use
with
your
lens are
li
ste
d
below.
For
screens
used
with
Nikon ca
meras
other
than
F3- a
nd
F2-
series
cameras
(e.g.,
Nikon
FA,
FE2,
FM2 a
nd
FE), refer
to
the
column
for
F3-series cameras.
F
or
the
K2, B2 and E2 focusing screens, refer
to
the
columns
on
the
K,
B a
nd
E screens,
respectively.
For
det
a
il
s,
al
so
refer
to
the
spe-
cific focusing
sc
reen's
instruction
s
heet.
o =
Excellent
focusing
.,
=
Acceptable
focusing
The
split-image
rangefinder
,
micro
prism
or
cr
os
s-
hair area
is
dim
_
Focus
on
the
surrounding
matte
area.
0=
Exposure
measurement
via
stop-down
m
et
hod
Blank means
not
usable.
9