3) m: manual exposure and ttl autoflash, T t l – Canon 550EX User Manual
Page 84
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(3) M: Manual Exposure and TTL Autoflash
In this mode, you set both the shutter speed and aperture. The TTL autoflash
system controls the flash exposure based on the aperture you set.
Using Flash in Other Camera Modes
1
2
3
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
T T L .
Focus the subject.
OJ 0.7 1 U 2
] 4 C 9 10 la
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.
TTL
dZoom I'imm
F-
'-L'c
/ 1 tjhs 07
15 2 3 4 6 9 13 18 m
a
ll the Hash ranges below apply, Ihe
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
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