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11.3 AF-BEAM (AF auxiliary light)
If the AF metering system of a digital AF reflex
camera is unable to focus due to insufficient
ambient lighting, the camera activates the AF
auxiliary light ቯ built into the flash unit.
This projects a stripe pattern onto the subject
which the camera uses to focus.
With the "AF-BEAM" function, the AF auxiliary
light can be switched on or off.
The range is approx. 6 m... 9 m (with a
standard 1.7/50 mm lens). Parallax error
between the lens and AF auxiliary light ቯ
limits the close-up range with the AF auxiliary
light to approximately 0.7 m to 1 m.
If the automatic AF auxiliary light is to be
activated by the camera, the "Single-AF (S-AF)"
autofocus mode must be set on the camera and
the flash unit must indicate flash readiness.
Some camera models support only the came-
ra's internal AF auxiliary light. In this case,
the automatic AF auxiliary light of the flash
unit is not activated (as in the case of com-
pact cameras; see the camera's operating
instructions)!
Low-speed zoom lenses can significantly
curtail the range of the AF auxiliary light!
Some cameras support the AF auxiliary light
in the flash unit only with the camera's
central AF sensor. If a peripheral AF sensor ቯ
is selected, then the AF auxiliary light will not
be activated in the flash unit!
Setting procedure
• Press the ቨ button as often as it takes
for the selection menu to appear.
• Press the sensor button on the
touch display.
• Press the sensor buttons on the
touch display and select "AF BEAM".
• Press the sensor button on the
touch display.
• Press the or sensor button on the
touch display.
The setting is adopted immediately.
D
OPTION
AF BEAM
On Off
Off
AF BEAM
On
MOD.LIGHT
AF BEAM
m/ft
