Specifications

Wireless
Multi-Flash
E-TTL
Autoflash
Operation
(2)
Setting
the
A:B Flash
Ratio
The
flash
ratio between
slave
A and slave
B can
be set
to
specify
the
main
flash and
fill
flash.
The
flash
ratio can
be
set
from 8:1
to
1 and
from
1 to
1:8 in
half-stop
increments.
In
terms
of exposure
stops,
it
ranges
from
3:1 to
1 and
from
1
to
1:3.
When
the
flash
ratio
is set,
E-
TTL autoflash
metering
controls
the
flash
output
to
obtain
a correct
exposure.
(3)
Camera
and
Slave
Positions
Position
the
ST-E2-attached
cam-
era and
the
two
slaves
to obtain
the
desired
lighting
effect.
See
page
26.
I
Check
that
the
ST-E2's
main
I
switch
is set
to
<
|
>
,
then
press
the
<
RATIO
> button.
o
The flash
ratio
control
lamp
lights
in red,
and the
resPective
flash
ratio
indicator
lights.
The
flash
ratios
for the
unmarked
indica-
tors
(
r
)
are
shown
in
parentheses below'
Pressthe<<>or<)>but-
ton
to select
the desired
flash
ratio.
The
modeling
flash
can be
fired
to
see the
lighting
effects
before
the
picture
is taken.
(4)
Follow
the basic
proce'
dure
for wireless
E-TTL
autoflash
exposure
to take
the
picture. See
page 26.
,1,.'.h'M*',,,;,b',tiile-*..
2
;tli
i;i;:t,
If the
main
switch
has
been set
bo
(
|
), the
buttons
will
not
work.
Set
the
main
switch
to
<
HOLD
>.
8:1
.
4:1
.
2:1
.
1:1
.
1=2
.
1:4
'
1:8
:
-rr-rr--r-rrr
et
(5.6:1)
(2.8:1)
(1.4:1)
(1:1.4)
(1:2.8)
(1:5.6)
8:1
t
4:1
t
2=1
r
1:1
.
1:2
.
1=4
r
1:8
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1234o
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