Owner's Manual

Wireless Flash Photography:

Optical Transmission

This chapter describes wireless flash photography

using the optical transmission wireless master/slave

function.

For the accessories required for optical transmission

wireless shooting, see the system map (p.122).

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).

The procedures for wireless flash photography are described,

using the 600EX II-RT for both the master and slave unit.

The 600EX II-RT attached to the camera is called “master”,

and the 600EX II-RT controlled wirelessly is called “slave”.