Canon 550EX - Manual (Page 2)

Thank you for purchasing a Canon product.
The Canon Speedlite 550EX is a powerful, high-output flash unit featuring E-
TTL (Evaluative-Through-The-Lens) autoflash control. It can be used as an on-
camera Speedlite or as a master or slave unit in a wireless, multi-Speedlite
system.
When used with Type-A cameras (listed below), the 550EX obtains natural­
looking flash pictures by balancing the flash output and existing light. The
550EX also enables high-speed sync (FP or Focal-Plane flash) for flash syn­
chronization at all shutter speeds, FE (Flash Exposure) lock, FEB (Flash
Exposure Bracketing), and bounce flash. Its AF-assist beam is compatible with
the EOS-3’s area AF.
When used with Type-B cameras (listed below), the 550EX works as a TTL
autoflash unit.
With Type-B cameras, some 550EX features are not available. Refer to the
tables below to check your camera type and the features available.
This Instructions booklet has separate sections for Type-A and Type-B cam­
eras. Read the section which applies to your camera.
Type-A Camera E-TTL EOS-3, EOS 50 / EOS 50 E, EOS ELAN E / EOS ELAN I E,
EOS REBEL G / EOS 500 N, EOS IX
Type-B Camera TTL All other EOS cameras
550EX Features Available with EOS Cameras
O: Available X: Not available
550EX Features With Type-A Cameras With Type-B Cameras
E-TTL autoflash control
o x
High-speed sync (FP flash)
o
X
FE lock
o
X
FEB
o O
Wireless, multi-Speedlite E-TTL
0 X
Key to Symbols
M : Warning for preventing camera or Speedlite malfunction.
0 : Supplementary notes for basic operation.
: Helpful tip for Speedlite operation or picture taking.
• Keep this Instructions booklet handy for future reference.