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Phase One 645DF+ features TTL (Through The Lens), OTF (O The Film) and
electronic ash exposure metering. A ash sensor located inside the camera
body reads the ash light reected o the surface of the CCD at the moment
of exposure. The sensor is connected via the Phase One 645DF+’s dedicated
hot-shoe to a shoe or handle-mount style Metz ash unit via the Metz SCA
3952 TTL Adapter. Maximum ash speed is 1/125 sec. when the focal plane
shutter is used, making daytime synchronization possible.
The ISO of the ash is automatically set through the TTL connection from the
camera’s lm magazine; any adjustment to this is instantly recognized after
the setting is locked and the shutter release is half-pressed.
To utilize the TTL ash feature with all TTL-operable Metz ash units, a Metz
SCA 3952 module is required. Please see the chart for capability and/or
additional adapters that may be necessary.
The resulting ash exposure automation determines correct ash exposure
and automatically adjusts the output of the ash. It also automatically
corrects for exposure compensation normally required when using lters,
close-up bellows or extension tubes.
1. Mount the SCA3952 adapter onto the Metz ash, insert fully into the
camera’s hot shoe, and then tighten with the locking knob[A].
2. Set the exposure mode, and then check the shutter speed and aperture.
Type of ash SCA3952 Module Converter
Metz 44 MZ-2 shoe-mount x
Metz 54 MZ-3 shoe-mount x
Metz 45 CL-3 & 4 Digital Handle-mount x SCA 3045
Metz 60 CT-4 Handle-mount x SCA 3000
Metz 70 MZ-5 & 4 Handle-mount x
Adapter
Metz Flash Unit
For more info on Metz, contact the local Metz dealer or www.metz.de
Charging completed indicator in
viewnder
When charging of the ash is completed, a charging completed ash
icon will illuminate in the viewnders display panel
Automatic setting of ash
synchronizing speed
When exposure mode is set at “AV”or “P”, the shutter speed will be
automatically set to 1/60 to 1/125 sec. when charging of the ash is
completed.
When exposure mode is at “TV” or “M” and the shutter speed is faster
than 1/125 sec., the shutter speed will be automatically set to 1/125 sec.
Flash conrmation The ash charge mark ashes after the shutter is released to indicate
that the ash was emitted properly
Auto zoom control The power zoom reector is linked to the lens focal length
(excluding the Metz 32Z-2)
Auto AF assist beam When the focus mode is set to “S”, the autofocus assist beam is emitted
automatically in low light. (excluding the Metz 32Z-2)
Display of ash range (distance) Displayed on the ash’s liquid crystal display panel. (Metz 32MZ-3 and
Metz 32Z-2)
Data transfer The lm sensitivity data, exposure compensation data and aperture
data are sent from the camera to the ash.
Metz 3952 functions
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