User guide

Multi-Speedlite System
Wireless Flash Equipment
Master unit
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(j) Speedlite 420EX (Slave unit)
(D Mini-stand (Provided with 420EX)
Props up the 420EX and provides a tripod socket.
(3) Speedlite 550EX (Master or slave unit)
Serves as a normal Speedlite or as the master unit or slave unit in a wireless
flash system.
® Speedlite Transmitter ST-E2
Dedicated wireless transmitter serving as the master unit controlling slave unit(s)
in a wireless flash system.
(D Macro Ring Lite MR-14EX (Master unit)
Designed for macro flash photography, this can also serve as the master unit in a
wireless flash system.
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