15
14
3. TTLflash mode
Fig. 8: Settings for TTL Easy Mode
This is the simplest way to operate the mecablitz in TTL flash mode. All buttons
on the mecablitz are locked, with the exception of the
/ML
and
but-
tons.
In TTL Easy Mode with the SCA 300 adapter, the zoom position is constantly adjusted
to 28 mm to ensure that the subject is always adequately illuminated.
In TTL Easy Mode with the SCA 3000 adapter, the zoom setting is matched to the
focal length of the lens, and a distance range is indicated, provided that the
camera supplies the zoom information.
We recommend the TTL Easy Mode when using an SCA 300 adapter.
Distance indication on the LC display is not possible in this mode.
Setting procedure for TTL Easy Mode:
•Adjust the camera according to the manufacturer’s operating instructions.
•Fit the mecablitz with the corresponding SCA adapter and mount it on the
camera.
1
Switch on the mecablitz with the main switch
.
2
Adjust the operating mode selector
to
EM
.
Easy Mode
4. Automatic flash mode
Fig. 9: Measuring scheme for auto mode
In the auto flash mode, the flash unit’s sensor
measures the light reflected
from the subject. The flash is cut off as soon as sufficient light has been emit-
ted for correct exposure.
This eliminates the need to recalculate and readjust the aperture each time the
distance is changed, provided that the subject remains within the indicated auto
flash range.
The flash unit’s sensor
must be directed at the subject, regardless of the direction
at which the main reflector
is pointing. The sensor has a measuring angle of
approx. 25° and takes measurements only during the emission of light by the
flashgun in which it is integrated.
In the auto mode, also partial light output levels can be adjusted (see ch. 9, p.31).
Between six and twelve working apertures are available in the auto mode,
depending upon the adjusted ISO film speed.
Ǻ
1
Sensor
2
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