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7.1.24 Shutter in M/X
This menu is applicable when a Phase One 645DF+ camera is used in
either M or X exposure modes with a leaf shutter lens. Using the X (ash
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 ash being used).
N.B. The LCD screen on the Phase One 645DF+ will either display a LS (Leaf
Shutter) or FS (Focal Shutter) icon to correspond to the shutter speed or
custom camera setting.
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
Phase One 645DF+ is used with a lens with a long focal length.
P
Av
Tv
M
X
CF
C1
C2
C3
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