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MIRROR LOCK
The reflex mirror must be
locked
in the up
position when the battery is replaced,
or
during
microsco
pi
c
photography,
where
even
the
minu-
test shake
mu
st be preve
nted. Th
e
mi
rro
r must
also
be
locked
when
using
the Fisheye-Nikkor
6
mm
f/5.6 or the
OP Fisheye-Nikkor 10 mm
f/5.6
lenses since
their rear elements
protrud
e
into
the
ca mera body
and
interfe
re
with
mirror
move
ment.
To
lock
the
mirror,
turn the
mill ed
mirror-lock
lever
upward.
Th
e mirror
will
remain
locked
in
the
up
pos itio
n until
the
lever
is
returned to
its
or igi
nal
pos
iti
on.
Caution: When releasing the
shutter
with the mirror in the
locked up position, use the
se
lf-timer instead of the
shutter
release button. This will
give adequate
time
for
the lens diaphragm to respond. Failure
to observe
this
precaution may resu lt in incorrect
exposure,
although
there is no danger
of camera
damage.
INFRARED PHOTOGRAPHY
In infrared photograph
y,
the
pl
ane of foc us
I
S
slightly fart her than
the
o ne
produ ced
by visible
I
ight an
d
seen by
the
naked
eye t
hrough
the
view-finder. To
co mpensate
for the
shift
in focus,
Nik
kor lenses have a
red
dot or
lin
e on
the
lens
bar
rel
near the
depth-of-field
index
sca le.
After focusing the
image
sharpl.y,
turn
the focusing
ring
to the
left
until
the red
dot lines
up
with the
prefoc
used distance.
I n
the
exa
mpl
e
below,
a
50 mm
f/1.4 lens has
been
focused
at infinity
(00).
The foc using
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
less
arc
sto
pped
dow
n
to f/8
or
smaller,
no adjustment is necessary
.
For the lenses
without red dot (e.g. ED lenses
and
Reflex Nikkor
lenses),
no
adjustment
is
necessary.
.•
CO
10 6
I
I
i
I I
I
•
-
- -
-
- -
11
8
5.6
4
2.8
--
49
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