Pentax A3000 - Infrared Index Mark and Metering Diagrams

INFRARED
INDEX
MARK
lf
you
intend
to
take
infrared
photographs
using
inf
rared f ilm
and R2
or
02
talters, it is necessary
to compensate for
the difference between
visible
light focus
and infrared focus.
As shown on the
right,
note
the
subject-to-camera
distance
on the
lens
distance
scale as
you
focus
through
the
viewfinder
and turn the
focusing ring
until
that
distance
setting aligns
with
the
red infrared
index
mark. The figure
shows an example
in
whrch
the
subject-to-camera distance is
set at
infinitY
1oo1.
Automatic
exposure
is not
workable in
this type
of special
photography.
The
exposure
must
be
controlled by
the aperture
ring,
with
the
mode
selector
set
to
"60"
(1
/601.
For
details
on exposure
control,
refer
to the
instructions
accompanying
the
film.
37o
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