As
a reminder of film type. ASA /
ISO
speed, and the
number
01
exposures on the roll
in
use, clip off the
end of the film
carto
n and insert into the memo holder
46
The red dot located ju st beside the focusing index
on
most lenses
is
the infrared focusing index. When
shooting with black-and-white infrared film,
it
is
necessary to refocus the lens to compensate for the
fact that infrared rays focus at a point slightly
in
front
of
vi
sible light.
To
use the index, focus on your subject
through the viewfinder, the n look at the lens and take
note of
th
e focused
di
stance. Fin ally, reset the foc u
s-
ing ring so that the desired distance
is
aligned with
the red dot.