Canon Speedlite Transmitter ST-E2 Instruction manual - Page 14

Setting the, Flash Ratio, Camera and Slave, Positions, Follow the basic proce, dure for wireless,

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Page 14 highlights

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:l to 1and from 1 to 1:8 in half-stop increments. In terms of exposure stops, it ranges from 3:l to 1 and from 1 to 1:3. When the flash ratio is set, ETTL autoflash metering controls the flash output to obtain a correct exposure. (3)Camera and Slave Positions Position the ST-E2-attached camera and the two slaves to obtain the desired lighting effect. See page 26. Check that the ST-E2's main switch is set to c I> , then press the button. Thc flash ratio control lamp lights in red, and the respective flash ratio indicator lights. The flash ratios for the unmarked indicators ( are shown in parentheses below. Press the < 4 > or < b > but- The modeling flash can be fired to ton to select the desired flash see the lighting effects before the ratio. picture is taken. 0 If the main switch has been set t o < I >, t h e buttons will not work. Set the main switch to < HOLD >. (4) Follow the basic procedure for wireless E-TTL autoflash exposure to take the picture. See page 26.

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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.