Pentax PZ-20 PZ-20 Manual - Page 92

Effects, Aperture, Shutter, Speed

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(13) EFFECTS OF APERTURE AND SHUTTER SPEED r:4 High shutter speed rt Q t • A correct exposure is established by a combination of shutter speed and aperture setting according to the subject brightness. Actual ly, there are many correct combinations of shutter speed and aperture for a particular subject brightness. Different shutter speed and aperture settings produce different effects. The Hyper Program-Shift and Picture Mode make it easy to produce these effects. (See pages 40 and 35.) Effect of Shutter Speed The shutter speed determines the film exposure time, or the amount of light striking the film. The slower the shutter speed, the longer the shutter stays open. If the subject is moving, its image will be blurred at a slow speed. In contrast, choosing a high shutter speed allows a stationary image to be taken of a moving subject. A high shutter speed prevents camera shake. It is possible to enhance the • motion of a wave or a waterfall by blurring the movement using a slow shutter speed. SNOIlVkl3d0 033NVA01/ Slow shutter speed

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(13)
EFFECTS
OF
APERTURE
AND
SHUTTER
SPEED
SNOIlVkl3d0
033NVA01/
t
•
r:
4
rt
Q
High
shutter
speed
Slow
shutter
speed
•
A
correct
exposure
is
established
by
a
combination
of
shutter
speed
and
aperture
setting
according
to
the
subject
brightness.
Actual
ly,
there
are
many
correct
combinations
of
shutter
speed
and
aperture
for
a
particular
subject
brightness.
Different
shutter
speed
and
aperture
settings
produce
different
effects.
The
Hyper
Program
-Shift
and
Picture
Mode
make
it
easy
to
produce
these
effects.
(See
pages
40
and
35.)
Effect
of
Shutter
Speed
The
shutter
speed
determines
the
fi
lm
exposure
time,
or
the
amount
of
light
striking
the
film.
The
slower
the
shutter
speed,
the
longer
the
shutter
stays
open.
If
the
subject
is
moving,
its
image
will
be
blurred
at
a
slow
speed.
In
contrast,
choosing
a
high
shutter
speed
allows
a
stationary
image
to
be
taken
of
a
moving
subject.
A
high
shutter
speed
prevents
camera
shake.
It
is
possible
to
enhance
the
motion
of
a
wave
or
a
waterfall
by
blurring
the
movement
using
a
slow
shutter
speed.