Pentax 645 645 Manual - Page 35

Setting, photographic

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Setting photographic mode Depressing of the "up" (front) or "down" (rear) selecting button, while simultaneously holding down the mode button as in the picture, adjusts the photographic modes in the external LCD Window as shown on the right column. Setting f/stop and shutter speed When employing either the Aperture-priority or the Shutter-priority AE mode with the aperture ring set at the "A" (auto) position, or when using the Metered manual mode with the aperture set to the respective f/stops;the selection of a f/stop or shutter speed is possible by depressing one of the selecting buttons. The LCD indicates an incremental change in steps by a single depressing of the selecting button, and continued changes by maintaining pressure upon it. The maximum point by moving the "up" button is 1000 (1/1000 sec.) or F22 ( ); the "down" button will stop at its lowest point of 15" (15 sec.) or F.2.8 ( ). The f/stop will be displayed within the aperture range of the lens in use. Aperture set to the "A" (auto) position: Auto :000 I t Auto F22 I 1 Auto =Shutter-priority AE =Aperture-priority AE (up button) =Programmed AE (down button) Displayed f/stop or shutter speed indicates the numerical value automatically set at the time within the camera's exposure control circuitry. Aperture set to each f/stop and also at the time of blank exposures: 8 I I :coo I Auto F - = B (Bulb) =60 (1/60 sec., fixed) (up button) = Metered manual 1 1 (down =Aperture-priority AE button) Only M 1000, 60 or B functions when releasing the shutter without a film holder. 33

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Setting
photographic
mode
Depressing
of
the
"up"
(front)
or
"down"
(rear)
selecting
button,
while
simultaneously
holding
down
the
mode
button
as
in
the
picture,
adjusts
the
photographic
modes
in
the
external
LCD
Window
as
shown
on
the
right
column.
Setting
f/stop
and
shutter
speed
When
employing
either
the
Aperture
-priority
or
the
Shutter
-priority
AE
mode
with
the
aperture
ring
set
at
the
"A"
(auto)
position,
or
when
using
the
Metered
manual
mode
with
the
aperture
set
to
the
respective
f/stops;the
selection
of
a
f/stop
or
shutter
speed
is
possible
by
depressing
one
of
the
selecting
buttons.
The
LCD
indicates
an
incremental
change
in
steps
by
a
single
depressing
of
the
selecting
button,
and
continued
changes
by
maintaining
pressure
upon
it.
The
maximum
point
by
moving
the
"up"
button
is
1000
(1/1000
sec.)
or
F22
(
);
the
"down"
button
will
stop
at
its
lowest
point
of
15"
(15
sec.)
or
F.2.8
(
).
The
f/stop
will
be
displayed
within
the
aperture
range
of
the
lens
in
use.
Aperture
set
to
the
"A"
(auto)
position:
Auto
:000
I
t
Auto
F22
I
1
Auto
=Shutter
-priority
AE
=Aperture
-priority
AE
=Programmed
AE
(up
button)
(down
button)
Displayed
f/stop
or
shutter
speed
indicates
the
numerical
value
automatically
set
at
the
time
within
the
camera's
exposure
control
circuitry.
Aperture
set
to
each
f/stop
and
also
at
the
time
of
blank
exposures:
8
=
B
(Bulb)
I
I
:coo
I
Auto
F
-
=60
(1/60
sec.,
fixed)
=
Metered
manual
=Aperture
-priority
AE
(up
button)
1
1
(down
button)
Only
M
1000,
60
or
B
functions
when
releasing
the
shutter
without
a
film
holder.
33