Metz 44 AF-1 digital Instruction Manual download pdf (Page 81)

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5 Flash modes

Depending on the type of camera diffe-

rent TTL flash modes and manual flash

mode are available

Flash mode can be configured via the

appropriate TTL, M or SL button.

In order to configure TTL modes and

manual mode, data transfer must take

place between the flash unit and the

camera e.g. by lightly depressing the

camera shutter.

5.1 Preflash TTL and ADI metering

Preflash TTL and ADI metering are digital

TTL flash operating modes and refined

versions of the TTL flash operation found

in analogue cameras. When taking a

shot, an almost imperceptible measure-

ment preflash is triggered by the camera

prior to the actual exposure process. The

reflected light of the measurement pre-

flash is evaluated by the camera.

Depending on the result of the evalua-

tion, the subsequent flash exposure is

adapted by the camera to suit the given

shot situation (see camera operating

instructions for further details). In the

case of ADI metering, additional distan-

ce data from the lens is incorporated into

the flash exposure process. The selection

and/or setting of the preflash TTL and

ADI metering operating modes are car-

ried out on the camera (see camera ope-

rating instructions).

Configuration procedure

• Switch on the flash unit by pressing the

button  .

• Press the "TTL"  button on the flash

unit to configure the TTL mode.

• Set a corresponding operating mode

on the camera e.g. P, A, S.

• Lightly depress the camera shutter to

allow the data transfer between

camera and flash unit.

If the camera supports Preflash TTL

and ADI metering mode this will also

be carried out by the flash unit.

There is no special display for these

flash mode.

Ǽ

M

TTL

SL

Ǽ

Ǽ

M

TTL

SL

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