Pentax PC-555 - Page 21

3. While keeping
the
shutter
button
depressed
halfway, move the
camera
to
recompose
your
picture
with the
subject
in
the desired
position,
then
depress
the
shutter button
alf
the
way
to
take
the
picture.
Diff
icu
lt
Autofocus
Su
bjects
The
autofocus
system
of
this
camera may
not
function
properly
in
the situations described
below.
In such cases,
focus on
a
subject
near
the
actual
subject
you
are
shooting,
and
lock
the
focus by
using the
focus-lock
technique, then
f
rame the
subject and
shoot.
1. Black objects
which
are hard
to reflect
light
(infrared
).
2.
Wire
netting,
latticework,
jron
exercise-bar,
etc.
with
less
light
reflection.
3.
When
neon signs,
f
luorescent
lamp,
television,
sunlight
coming through the
trees, etc.
are
in
or
around the
Autofocus Spot.
4.
Glass,
mirrors, car
bodies,
etc. which are
glossy
and
reflective.
5.
Fast
moving objects like
trains.
6. Water
jets,
surface
of water, smoke,
f lame,
f
ireworks,
etc. which
are
formless.
19
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