Automatic Af Measuring Beam; Triggering Control (Auto-Flash) - Metz MECABLITZ 44 AF-1 digital Mode D'emploi

11 Automatic AF measuring
beam
The automatic AF measuring beam
activated in the flash unit by the camera
when the ambient lighting conditions
become inadequate for automatic focu-
sing. A striped pattern is projected onto
the subject which the camera can use to
focus. Depending on the camera's activat-
ed AF sensor, the AF beam has a
range of approximately 6 m to 9 m (with
a standard 1.7/50 mm lens).
Parallax error between lens and AF mea-
suring beam m limits the close-up range
with the AF measuring beam to approxi-
mately 0.7 m to 1 m.
To activate the automatic AF measuring
beam the camera must be set to the
„Single–AF (S)" or „ONE SHOT" auto-
focus mode and the flash unit must
indicate flash readiness. Some camera
models support only the camera's
internal AF measuring beam
case, the automatic AF measuring
beam of the flash unit is not activat-
ed (as in the case of compact cameras;
see the camera's operating instructi-
ons).
is
+
. In this
Low-speed zoom lenses can significantly
curtail the range of the AF measuring
beam!
Some cameras support the AF measuring
beam in the flash unit only with the
camera's central AF sensor.
If a peripheral AF sensor is selected, then
the AF measuring beam
activated in the flash unit!
12 Triggering control
(auto-flash)
On some cameras the flash will not be
fired when the prevailing light is sufficient
for an exposure. When the camera shutter
release is depressed, no flash exposure is
triggered.
In various cameras the triggering control
only works in the full program mode or
„P" program or must be activated on the
camera (see camera operating instruc-
tions).
will not be
k
101