NIKKORMAT FT2 - Repro-Copying; Slide Copying

Repro-Copying
For
originals
such
as
photographs
which
have
tonal
gradation, exposure
is
determined in
the usual
way.
In the
case of
originals
having
strong
contrast
and no
gradation, such
as
documents
or line
drawings,
meas-
ur_e
brightness
of the
white portion
of the
original
(if
the
original is
predominantly
black, a sheet
of
white
pap-er
may
be substituted)
after
decreasing
film
speed
by
four
marks.
Or
increade
exposure
about
L-tlS
rtopr.
Slide Copying
For
originals
with contihuous
tone
gradations,
deter-
mine exposure
in
the usual
way
by
the
stop-down
method.
To
copy
slides
with
letters
or figures
on
transparent
background,
decrease
film
speed four
marks
or increase
exposure
about
L-tlS
stops.
:in
the
case of transparent
figures
or
letters
on
a
dark
background,
either increase
film
speed five
marks
or
decrease
exposure
about I-ZlS
stops.
Important:
The
above
are only
approximate
guidelines.
Exac{
exposure
determination
is extremely
difficuli, especially
witllr
color reversal
films.
Therefore,
it is
advisable to
make
severd.
different
exposures
for
each
subject
to
be sure ofgetting
one
that
is
correct.