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8
INFRARED FOCUSING
For proper focus
when
making pi
c-
tures w
ith
infrared radiat ion, proceed as
follows:
With
th
e
normal
/c
lose
changeover
but-
ton
at
its outer
"N"
position, first
focus yo
ur
subject
w
ith visibl
e
I
ight
as
described
on
page
6.
Then turn the dial
to the left
unti
l
the
point on t
he
infrared-
correct ion sca le
that
was opposite
the
ma in index
li
ne is opposite
the
infrared-
index
val ue
corresponding
to the focal
length
at which
the
zoom
ing
leve
r
is set.
With the
norma
I/c lose changeover but-
ton
at
its
inner
'M" position,
infrared
adjustment
is made
as
above though focus-
ing is done by
mov
ing
the
zooming
lever
as
described on
page 7
NOTE
I
nfrared
focusing adju
stme
nt
cannot
be
made
w
ith th
e
focusing dial
set
near to
1
m,
as
th
is
limi
ts
th
e movement of
the
focusing dial.
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