Pentax 645 645 Manual - Page 60

Depth, Field, Preview

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DEPTH-OF-FIELD PREVIEW Should the lens possess an automatic diaphragm, the viewfinder can be kept bright with the aperture fully opened regardless of the preset f/stop. When the preview lever is depressed in the direction of the arrow, aperture will stop down to the preset value, and the depth-of-field can be confirmed through the viewfinder. The aperture will ri return to maximum when the preview lever is released. The depth-of-field cannot be confirmed while the lens is set to "A". Note: Exposure value measured during preview may register incorrectly. While depth of field is being previewed, the shutter cannot be released. 58 r • I • I I

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DEPTH
-OF
-FIELD
PREVIEW
•
Should
the
lens
possess
an
automatic
diaphragm,
the
viewfinder
can
be
kept
bright
with
the
aperture
fully
opened
regardless
of
the
preset
f/stop.
When
the
preview
lever
is
depressed
in
the
direction
of
the
arrow,
aperture
will
stop
down
to
the
preset
value,
and
the
depth
-of
-field
can
be
confirmed
through
the
viewfinder.
The
aperture
will
return
to
maximum
when
the
preview
lever
is
released.
The
depth
-of
-field
cannot
be
confirmed
while
the
lens
is
set
to
"A".
Note:
Exposure
value
measured
during
preview
may
register
incorrectly.
While
depth
of
field
is
being
previewed,
the
shutter
cannot
be
released.
r
i
r
I
•
I I
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