3) m: manual exposure and e-ttl autoflash, Ettl – Canon 550EX User Manual
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(3) M: Manual Exposure and E-TTL Autoflash
In this mode, you set both the shutter speed and aperture. The E-TTL
autoflash system controls the flash exposure based on the the aperture you
set.
Using Flash in Other Camera Modes
H Set the camera’s picture-taking mode
’ to M and set the desired aperture
and shutter speed anywhere from 30
sec. to the top sync speed. You can
also use buLb.
Q Set the 550EX’s flash mode to
^ ETTL.
Q Focus the subject.
0.5 0.7 1 1.5 2
3 4
6 0 13 18 m
i
50
5.5
A
Check that the subject distance is
^ within the flash range displayed on
the 550EX’s LCD panel.
C Check that the
i
icon is displayed in
the viewfinder, then take the picture.
ETTL
OZoom
I'imm
F-
/1 tfts &7
I.S 7 3 4 • 1 15 1» m
ra If the flash ranges below apply, the
L|l Icon will blink on the left end of the scale.
Zoom Setting
Flash Range
17-28mm
0.5 m /1.6 ft or shorter
35mm and longer
0.7 m / 2.3 ft or shorter
30