Canon EOS 3 User Manual (en)

Flash Photography
An EOS-dedicated EX-series or EZ-series Speedlite makes flash
photography with the EOS-3 as easy as any AE mode. With an EX-series
Speedlite, E-TTL autoflash photography as well as wireless E-TTL multi-
flash photography is possible.
Speedlite 550EX will be used to describe the flash photography features
provided with the EOS-3. For details on Speedlite 550EX, see the
Instructions that come with it.
First set the <
> switch to <
>. If
necessary, also set the <
> switch to
 07. C836-E (91~)   28-01-2003  12:41  Pagina 91