78
7.1.24 Shutter in M/X
This menu is applicable when a Mamiya 645DF+ camera is used in
either M or X exposure modes with a leaf shutter lens. Using the X
(flash synchronization) mode limits the shutter speed range from 1/60th
second to 1/125 second irrespective of the selected (Mixed, Leaf or
Focal Plane) mode. Select
Manual
(
M
) mode and select one of the
following options:
Mixed
: The leaf shutter range from 1 second to 1/1600th second are
selected. Shutter speeds above and below that range use the focal plane
shutter. Flash synchronization is possible on all leaf shutter speeds.
Leaf
: Shutter speeds are limited to a leaf shutter range from 1 second
to 1/1600th second. Flash synchronization is possible on all shutter
speeds.
Focal Plane
: Shutter speeds range from 1 minute up to 1/4000th
second. Flash synchronization is only possible from 1/60th to 1/125
second. (Depending on the flash being used).
Note:
The LCD screen on the Mamiya 645DF+ either displays an LS
(Leaf Shutter) or FS (Focal Shutter) icon to correspond to the shutter
speed or custom camera setting. Selecting a shutter speed outside of
the leaf shutter range forces the camera to switch to the focal plane
shutter.
7.1.25 AF priority
Select one of the following AF (Auto Focus) priority options:
Speed
: This mode is ideal when capturing moving subject matter.
Accuracy
: This the default setting. It is particularly recommended when
the Mamiya 645DF+ is used with a lens with a long focal length.
P
Av
Tv
M
X
CF
C1
C2
C3
Summary of Contents for 645DF
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