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-CONTROLS IN DETAll-continued---------
For manual (M) operation
After
setting the
ASA/ISO film
speed and zoom setting
knob
on
the
exposure calculator
dial
,
focus on the
sub-
ject;
then look
at
the lens
and read off
the
focused
dis-
tance
to
determine
exactly how far away the subject
actually
is.
Now,
find the end of the
color-coded
line
directly above the flash-to-subject distance and
read
off
the f-number next to this
line.
Then,
set
this aperture on
your
lens.
30
Example
When using ASAIISO 100
(with
the
zoom
head
set
at N
for a
35mm
lens) and the
subject
is located 1.5m (5 .0 ft.)
away,
the
correct aperture is approx
.
f/22
.
With a
subject
3m (10
ft.)
away,
the
aperture is approx.
fl11.
Without
referring
to
the exposure calculator
dial
,
you
can
also
determine the flstop by using the following
equation
:
guide number
flstop
=
flash-to-subject distance
With ASAIISO 100 film
and
meters
(and
the zoom head
set at
N for a
35mm
lens),
the S8-16's guide number is
32
.
If the
subject
is 4 m
away,
divide
32
by 4 to get
fiB
. Wi
th ASAIISO 25 fi lm and feet (and zoom head
set
at
N for a
35
mm lens), the guide number is 52. Therefore,
if the subject is 20
ft
.
away, divide 52 by
20
to get approx
.
f/2.B.
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