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Thank
you
for
purchasing
a
Canon
product.
The Canon Speedlite 580EX
is
an EOS-dedicated, high-output flash unit
automatically compatible with E-TTL
II,
E-TTL, and TTL autoflash. It can be
used
in
three different ways: As a normal on-camera flash, the master unit
for a wireless, multi-Speedlite flash system, or a slave unit.
Read
this
instruction
manual
while
also
referring
to
your
camera's
instruction
manual.
Before using the Speedlite, read this instruction manual and your camera's
instruction manual to familairize yourself with the Speedlite operations.
The
basic
operation
is
the
same
as
with
normal
AE
shooting.
When the 580EX
is
attached to an EOS camera,
almost
all automatic
exposure control
for
flash
photography
is
handled by the camera.
It
is
almost the same as using the camera's built-in flash if
it
has one.
You
can think of the 580EX as a built-in, high-output flash.
It
is
automatically
compatible
with
the
camera's flash metering
mode
(E-TTL II, E-TTL, and TTL).
The camera controls the Speedlite automatically
in
the following flash metering
modes:
1.
E-TTL
II
autoflash (evaluative flash metering with preflash reading/lens
distance information)
2.
E-TTL autoflash (evaluative flash metering with preflash reading)
3.
TTL autoflash (off-the-film metering for real-time flash metering)
Regarding the camera's available flash metering modes, refer to the
camera's instruction manual. The Speedlite's major specifications are
listed
in
"External Flash Items."
The camera instruction manual's chapter on flash photography will refer to
cameras having 1
and 2 as a Type-A camera (compatible with
E-
TIL
or
E-TTL II). And cameras having 3 (compatible with only TTL)
are called
Type-B cameras.
* This instruction manual assume that you are using the 580EX with a
Type-A camera.
For Type-B cameras, see page 53.
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