Canon 550EX manual Automatic Flash Head Zooming, Manual Flash Head Zooming

Using the Zoom Button and Wide Panel

●Automatic Flash Head Zooming

1 Turn on the camera.

2	Turn on the Speedlite.
	• If	is displayed, press the <	>

button until turns off.

3 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 < > 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.

(Automatic )

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.

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