M: Manual Exposure And E-Ttl Autoflash - Canon SPEEDLIGHT 550EX Instructions Manual

Using Flash in Other Camera Modes

(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.
30
1 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.
Set the 550EX's flash mode to
2
.
Focus the subject.
3
4 Check that the subject distance is
within the flash range displayed on
the 550EX's LCD panel.
Check that the
5
the viewfinder, then take the picture.
If the flash ranges below apply, the
icon will blink on the left end of the scale.
Zoom Setting
17-28mm
35mm and longer
icon is displayed in
Flash Range
0.5 m / 1.6 ft or shorter
0.7 m / 2.3 ft or shorter