Phase One IQ2 User's Guide download pdf (Page 44)

Phase One 645DF+ features TTL (Through The Lens), OTF (Off The

Film) and electronic ash exposure metering. A ash sensor located

inside the camera body reads the ash light reected off 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

viewnder

When charging of the ash is completed, a charging completed

ash icon will illuminate in the viewnders 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 conrmation The ash charge mark ashes after the shutter is released to

indicate that the ash was emitted properly

Auto zoom control The power zoom reector 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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Phase One IQ2 User's Guide Page 44

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