Please note that the effective range of the
flash light is diminished by using a wide-
angle diffuser, and increased with a tele-
photo attachment . For digital cameras take
into account that the focal lengths are given
for the 35 mm format (see operating instruc-
tions of the individual camera).
4. Slave mode
The slave mode is intended for cordless, delay-free
triggering of one or more slave flash units. The
slave is triggered by the light pulse from the flash
unit built into the camera.
Some digital cameras fire one or more measuring
preflashes a fraction of a second before flash ex-
posure. Normally, these measuring preflashes can-
not be deactivated on the camera because they do
influence, for example, the flash exposure. More-
over, a preflash function can be activated on many
cameras to diminish the “red eye effect”.
The internal photo cell sensor of the slave
must be able to perfectly capture the light of
the camera’s flash unit reflected by the sub-
ject so that it can be triggered. The working
range of the assembly depends on the inten-
sity of the light pulse from the camera-inte-
grated flash, the reflective properties of the
subject and the prevailing ambient light.
Please note that the working range is diminished
outdoors and with bright ambient light. Avoid
exposing the sensor to direct sunlight!
5. Switch on and shoot in EASY mode
The EASY mode permits easy use of the slave flash
unit for flash photography. Auto aperture, ISO
speed rating, etc. do not have to be set on the flash
unit.
The EASY mode is a simplified automatic flash
mode intended for digital cameras without setting
capabilities, or the “Program P” and full auto
modes.
Prior to its first use, the slave has to be adapted to
the technology of the flash unit built into the came-
ra to find out if the camera-integrated flash unit
works with or without preflashes.
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