Automatic flash head zooming, Manual flash head zooming – Canon 550EX User Manual
Page 19
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Automatic Flash Head Zooming
Turn on the camera.
Using the Zoom Button and Wide Panei
'
ettl
_ _ '
Zoom bumm
0 5 0.7
V.___________
1S2 3 4 6 9 13 18 m
J
. MODE +______________ — SEL/SET ZOOM
Q(
q
^©
2
3
Turn on the Speedlite.
• If O is displayed, press the <ZOOM>
button until El turns off.
Press the camera’s shutter button
halfway. The current lens focal length
will appear on the Speedlite’s LCD
panel.
Manual Flash Head Zooming
Press the
<ZOOM>
button.
O
and
Zoom
will be displayed. Keep pressing
the <ZOOM> button until the desired
zoom setting (focal length) appears.
Pressing the <ZOOM> button changes
the zoom setting in the loop shown
below.
0 Zoom 35mm -
9 Zoom 8umm "
- OZoom SOiDumm------------
1
If the zoom setting is a focal length longer than the actual lens focal length, the light will
fall off along the periphery of the picture.
19