Pentax ZX-50 ZX-50 Manual - Page 83

Snoi1v1:13d0, Cronvaciv

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• When using the Three-Level Auto (red, green, and yellow settings) Mode, the aperture value is fixed as shown in the table. When the flash is fully charged, the shutter speed varies within the shutter speed range of 1/100 of second to a slower speed which does not cause camera shake. The slowest shutter speed varies according to the lens focal length. When a non-autofocus (A-lens) lens or the Action Program Mode is in use, the shutter speed will be set to 1/100 of second. AF200T AF280T AF400T Red f/2.8 f/4 f/4 Green f/5.6 f/8 f/8 Yellow f/1 1 with ISO 100 Notes on Pentax dedicated flash units When the built-in flash is used in combination with a Pentax dedicated flash unit, if the trailing-shuttercurtain-sync flash mode is set for the dedicated flash unit, the built- in flash also operates in the trailingshutter-curtain-sync flash mode. Ensure that both flash units are fully charged before releasing the shutter. Contrast-Control-Sync Flash Photography Using the AF330FTZ or AF500FTZ in combination with the built-in flash allows twin flash photography (contrast-control-synch flash photography). This is based on the difference between the amount of light discharged from two units. 1. Put the AF500FTZ or AF330FTZ in the Contrast-Control-Sync Flash Mode. See the flash connection on page 77. 2. Ensure that both flash units are fully charged and then shoot. • The ratio of the amount of flash light is 1 (built-in flash) : 2 (dedicated flash unit). • Do not combine an accessory with a different number of contacts such as a "Hot Shoe Grip" as a malfunction may occur. • In the Contrast-Control-Sync Flash Mode, the top flash sync speed is 1/60 of second. Multi-burst flash with the Pentax dedicated flash When discharging more than 2 Pentax dedicated flashes, make sure that they are of the same type, combine the Type B with Type C or Type D with Type E. (refer to the overview of Flash Function on page 80. The Built-in flash can be operated with any type of Pentax TTL dedicated flash unit. SNOI1V1:13d0 CRONVACIV

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•
When
using
the
Three
-Level
Auto
(red,
green,
and
yel-
low
settings)
Mode,
the
aperture
value
is
fixed
as
shown
in
the
table.
When
the
flash
is
fully
charged,
the
shutter
speed
varies
within
the
shutter
speed
range
of
1/100
of
second
to
a
slower
speed
which
does
not
cause
camera
shake.
The
slowest
shutter
speed
varies
according
to
the
lens
focal
length.
When
a
non-autofocus
(A
-lens)
lens
or
the
Action
Program
Mode
is
in
use,
the
shutter
speed
will
be
set
to
1/100
of
second.
AF200T
AF280T
AF400T
Red
f/2.8
f/4
f/4
Green
f/5.6
f/8
f/8
Yellow
f/1
1
with
ISO
100
Notes
on
Pentax
dedicated
flash
units
When
the
built-in
flash
is
used
in
combination
with
a
Pentax
dedicated
flash
unit,
if
the
trailing
-shutter
-
curtain
-sync
flash
mode
is
set
for
the
dedicated
flash
unit,
the
built-
in
flash
also
operates
in
the
trailing
-
shutter
-curtain
-sync
flash
mode.
Ensure
that
both
flash
units
are
fully
charged
before
releasing
the
shutter.
Contrast
-Control
-Sync
Flash
Photography
Using
the
AF330FTZ
or
AF500FTZ
in
combination
with
the
built-in
flash
allows
twin
flash
photography
(contrast
-control
-synch
flash
photography).
This
is
based
on
the
difference
between
the
amount
of
light
discharged
from
two
units.
1.
Put
the
AF500FTZ
or
AF330FTZ
in
the
Contrast
-Control
-Sync
Flash
Mode.
See
the
flash
connection
on
page
77.
2.
Ensure
that
both
flash
units
are
fully
charged
and
then
shoot.
•
The
ratio
of
the
amount
of
flash
light
is
1
(built-in
flash)
:
2
(dedicated
flash
unit).
•
Do
not
combine
an
accessory
with
a
different
number
of
contacts
such
as
a
"Hot
Shoe
Grip"
as
a
malfunc-
tion
may
occur.
•
In
the
Contrast
-Control
-Sync
Flash
Mode,
the
top
flash
sync
speed
is
1/60
of
second.
Multi
-burst
flash
with
the
Pentax
dedicated
flash
When
discharging
more
than
2
Pentax
dedicated
flashes,
make
sure
that
they
are
of
the
same
type,
com-
bine
the
Type
B
with
Type
C
or
Type
D
with
Type
E.
(refer
to
the
overview
of
Flash
Function
on
page
80.
The
Built-in
flash
can
be
operated
with
any
type
of
Pentax
TTL
dedicated
flash
unit.
SNOI1V1:13d0
CRONVACIV