Positioning Slave Flash Units
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When positioning wireless slaves to light a subject,
keep in mind the following:
• The effective communication range between master
and slave flash units is approximately 33 feet (10 m) in
the front position, and approximately 16–23 feet (5–7
m) on both sides. These ranges may vary, depending on
the ambient light.
• The flash head should not be aimed directly into the
camera lens.
• The optical sensor is located on the front of the VX-
710C. Make sure that the sensor is facing the master
flash and that there are no obstructions between the
two units.
• When photographing outdoors or in bright ambient
light, the sensors can be overwhelmed by ambient
light, which will lower their sensitivity.
16–23’
33’
