FOCUSING
The key to good SX-70 pictures is careful focusing. Spend a few minutes
now learning what
it
means and how you do it. The care with which you
focus makes the difference between taking consistently beautiful pic-
tures and disappointing ones.
Focusing means adjusting the
lens of the camera to get the
sharpest, clearest image of your
subject in the viewfinder.
You
do
it
by rolling the focus wheel -
just
as
you
might
focus with a
pair of binoculars.
If you
tip
the
camera up, you will
see
the lens
move in and out
as
you roll the
focus wheel back and forth.
That's how
it
focuses
on
an
object.
SHARP
FOCUS
IS
ESPECIALLY
IMPORTANT
FOR
FLASH
In
addition
to
controlling
sharpness,
focusing
also
controls
exposure
for
flash
pictures.
As
you roll the focus wheel, the camera automatically sets
the right exposure for the distance
for
which the lens is focused - from
10 inches to 20 feet. If your subject is 5 feet from the camera, but you
have focused for some other distance, your flash picture will
be
too light
or
too dark. Only
if
you focus with care can the camera give you well-
exposed flash pictures.
10
HOW
YOU
FOCUS
WITH
THE
WHOLE
IMAGE
Look at your subject through the
viewfinder.
Pay
no
attention to
the split circle when you focus
with the whole image.
Roll the focus wheel all the way
in one direction, then
all the way
in the other. Notice that the
image changes from fuzzy (top
picture) to sharp (bottom pic-
ture) and back to fuzzy.
Return the wheel to the point at
which the subject began to look
sharp and clear. Now
roll
it
just
a
bit in each direction until you are
sure
that
the most important
part of your subject
is
just
as
sharp and clear
as
you can make
it
(bottom picture).
11
As
you focus, concentrate
on
the
part of your subject that you want
sharpest in your picture. For pic-
tures of people,
that
will usually
be
the face.
Focusing is like tuning a radio
for
best reception. Turn slightly past
the perfect setting once
or
twice
to
be
sure you have found it.
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