User manual
Table Of Contents
28
INFRA-REDยท
PHOTOGRAPHY
I
R
+
If
you
intend
to
take
infra-red
photographs,
remem-
ber
to
use
the
infra-red
index
marked
with
an orange
line
or
a small
"R"
on
the
depth
-of-field guide.
First
, focus
your
lens
on
your
subject.
Determine
the
lens-to-subject distance from
the
distance scale.
Then
match
your
lens-to-subject distance
to
the
infra-
red
index
by
turning
the
distance scale accordingly.
For
instance
,
if
your
subject
is in focus
at
infinity,
turn
the
distance ring
and
move
the
infinity
(00)
mark
to
the
index.
The
index marking
on
the
Takumar
lenses
is
based
on
the
lens setting
at
infinity.










