Canon 2478A002 Camera Accessories User Manual


 
Wireless Multi
-
Flash
E
-
TTL
Autoflash Operation
(2)
Setting the
A:B
Flash Ratio
(3)
Camera and Slave
Positions
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:l
to
1
and
Position the ST
-
E2
-
attached cam
-
from
1
to
1:8
in half
-
stop increments. In terms of exposure stops, it
era and the two slaves to obtain
ranges from
3:l
to
1
and from
1
to
1:3.
When the flash ratio is set,
E
-
the desired lighting effect. See
TTL autoflash metering controls the flash output to obtain a correct
page 26.
exposure.
Check that the
ST-E2's main
Press the
<
4
>
or
<
b
>
but
-
switch is set to
c
I
>
,
then
ton to select the desired flash
press the
<RATIO
>
button.
ratio.
Thc flash ratio control lamp
lights in red, and the respective
0
If
the main switch has been set
flash ratio indicator lights.
to
<
I
>,
the buttons will not
work. Set the main switch to
The flash ratios for the unmarked
indica-
<
HOLD
>.
tors
(
are shown in parentheses below.
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.
COPY