MIRROR LOCK The reflex mirror must be locked
in
the up
position when the battery
is
replaced,
or
during
mic
rosco
pi
c
ph
otography, where
eve
n the minu-
test shake
mu
st be preve nted. The
mi
rror must
al
so
be
locked when using the Fisheye-Nikkor
6
mm
f/5.6 or the
OP
Fisheye-Nikkor 10
mm
f/5.6
le
ns
es
since their rear elements protrude into the
ca
mera body a
nd
interfe
re
with mirr or move ment.
To lock the mirr or, turn the
mill
ed mirror-lock
lever upward. The mirr or
will
remain locked
in
the
up p
os
iti
on until the lever
is
returned to
it
s
or
i
gi
nal p
os
iti
on.
Caution:
When releasing
the
shutter
with
the
mirror
in
the
l
ocked
up
position,
use
the
sel
f-timer
instead
of
the
shutter
release
button.
This
will gi
ve
adequate
time
for
the
lens
diaphragm
to
respond.
Failure
to
observe
this
precaution
may
result in
incorrect
exposure,
al
though
there
is
no
danger
of
camera
damage.
INFRARED PHOTOGRAPHY In
infrared
ph
otogra
ph
y,
the
pl
ane
of
focus I S
s
li
ghtly farth
er
th
an
the o ne produ
ce
d
by
visible
I ight
an
d seen by the naked eye t
hr
ough the
view-finder. To
co
mp
en
sa
te for the shift
in
focus,
Nik
kor lenses h
ave
a
red
d
ot
or
lin
e on the lens
b
ar
rel near th e depth-of-fie
ld
index
sca
l
e.
After focusing the
im
age sharpl.y, turn the focusing
rin
g to the left until the red d
ot
lin
es
up
with the
pr
efocu
se
d distance.
I n the exa
mpl
e below, a 50
mm
f/1.4 lens h
as
been
focused
at
infinity
(00). The focu s
in
g ring is turned
to the left
so
that the mark
(00) appears
in
lin
e
with the red dot.
Wh
en
lenses having a focal length
of
50
mm
or l
ess
a
rc
stopped down to f/8 or
smaller, no adjustment
is
necessary. For the lenses
without red
dot
(e.g.
ED
lenses and Reflex Nikkor
lenses), no a djustment
is
necessary.
.• CO 10
6
I I i I I I • -
--
-
--
11
8
5.6
4
2.8
--49