Pentax 645 645 Manual - Page 39

speed/aperture

Page 39 highlights

III_:11: 1:1 I LI 3. After turning on the main switch, the LED displays of the shutter speed and f/stop will visually appear within the viewfinder by a slight depressing of the shutter release button; additional pressure upon the shutter will cause the same to release for shooting. Visual warnings during Aperture-priority AE control: The following indication will manifest itself within the viewfinder if the given photographic situation exceeds the shutter/aperture coupling range. The shutter speed will appear as follows: 1.00 • - IJ 4141 1y5"e jI-* s15" ' (flow-like flickering) If the maximum aperture (f/2.8, etc.) appears, it should be reset by moving the same toward the direction of the minimum aperture (f/22, etc.). The process should be reversed in the similar manner, when the displayed value is the minimum aperture (f/22, etc.) by changing the aperture in the direction of maximum aperture. Should the situation return to normal, that is, within the shutter/aperture coupling range by changing the f/stop, the flow-like flickering will cease and proper exposure is indicated and photographs may be taken in this AE mode. Whenever the situation exceeds the meter coupling range for proper exposure, the following shutter speed/aperture value indications will appear: 1f0e.2ee reo:": I 2FO"B Ih = f2L-' (flow-like flickering) (Please refer to the section concerning "Beyond meter coupling range", page 27.) 37

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75

I
:11:
II_
1:1
I
LI
3.
After
turning
on
the
main
switch,
the
LED
displays
of
the
shutter
speed
and
f/stop
will
visually
appear
within
the
viewfinder
by
a
slight
depressing
of
the
shutter
release
button;
additional
pressure
upon
the
shutter
will
cause
the
same
to
release
for
shooting.
Visual
warnings
during
Aperture
-priority
AE
control:
The
following
indication
will
manifest
itself
within
the
viewfinder
if
the
given
photographic
situation
exceeds
the
shutter/aperture
coupling
range.
The
shutter
speed
will
appear
as
follows:
s
'
1.00
15"
I
(flow
-like
IJ
4141
ye
j
*
15
"
flickering)
-
If
the
maximum
aperture
(f/2.8,
etc.)
appears,
it
should
be
reset
by
moving
the
same
toward
the
direction
of
the
minimum
aperture
(f/22,
etc.).
The
process
should
be
reversed
in
the
similar
manner,
when
the
displayed
value
is
the
minimum
aperture
(f/22,
etc.)
by
changing
the
aperture
in
the
direction
of
maximum
aperture.
Should
the
situation
return
to
normal,
that
is,
within
the
shutter/aperture
coupling
range
by
changing
the
f/stop,
the
flow
-like
flickering
will
cease
and
proper
exposure
is
indicated
and
photographs
may
be
taken
in
this
AE
mode.
Whenever
the
situation
exceeds
the
meter
coupling
range
for
proper
exposure,
the
following
shutter
speed/aperture
value
indications
will
appear:
10.2e
I
2"
(flow
-like
fee
reo
:
":
FOB
I
h
=
f2L-'
flickering)
(Please
refer
to
the
section
concerning
"Beyond
meter
coupling
range",
page
27.)
37