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71
5
Wireless Flash Photography:
Optical Transmission
This chapter describes wireless flash photography
using the optical transmission wireless receiver
function.
For the accessories required for optical transmission
wireless shooting, see the system map (p.94).
When the camera’s shooting mode is set to a fully automatic
mode or a Basic Zone mode, the operations in this chapter are
not available. Set the camera’s shooting mode to <d/s/f/
a/bulb(B)> (Creative Zone mode).
You can wirelessly control a 470EX-AI set as an optical
transmission wireless receiver unit using a device equipped
with the optical transmission wireless sender function (p.94).
The device equipped with the optical transmission wireless
sender function is called the “sender”, and a 470EX-AI that is
controlled wirelessly is called a “receiver”.
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