Wireless Shooting
You can shoot an image using one or more fl ashes placing away from the
camera. You can adjust the positions and settings of the fl ashes to enjoy many
different lighting effects.
This fl ash supports wireless shooting with both radio communications and optical
communications.
Differences between radio communications and optical
Differences between radio communications and optical
communications
communications
Wireless shooting with radio communications has some advantages over
wireless shooting with optical communications. Wireless shooting feature of being
less vulnerable to obstacles and ambient light allows fl exible receiver installation
and selection of shooting location.
The following chart shows the main functional differences.
Function
Maximum communication
distance
Groups
Communication channels
* The distance varies depending on the angle of the receiver and compatibility between the
fl ash and the receiver.
Optical communications
Flash commander
Radio communications
Approx. 30 meters
(98.4 ft.)
3 groups (A / B / C)
1 to 15
Receiver
Optical communications
Up to approx. 5 meters
(16.4 ft.)*
3 groups (A / B / C) +
1 master fl ash
1 to 4
Receiver
Wireless shooting is not possible
because the fl ash window of
the commander and the sensor
window of the receiver are not
facing each other.
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