Canon 550 EX - Manual (Page 19)

Using the Zoom Button and Wide Panel
● Automatic Flash Head Zooming
Turn on the camera.
Turn on the Speedlite.
• If is displayed, press the < >
button until 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
19
Press the < > button. and
will be displayed. Keep pressing
the < > button until the desired
zoom setting (focal length) appears.
Pressing the <
> button changes
the zoom setting in the loop shown
below.
1
2
3
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.
(Automatic )
02. F073-E (9~) 02.4.1 2:08 PM Page 19