Canon 220EX User Manual

Page 14

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

Fully-Automatic Flash Operation

Make sure that the pilot
lamp is lit.

Aim the active focusing point
on the subject and press the
shutter button halfway.

• Focus is achieved and the shutter

speed and aperture settings are

dispiayed in the viewfinder and on
the LCD panei

• The E-TTL indicator on the rear

of the Speedlite 220EX lights

•The sync speed is set to 1/90

sec. automaticaiiy and the aper

ture is set automaticaiiy at the

same time

Check that the ^ , shutter
speed, and aperture set

tings are displayed in the

viewfinder. Then, press the
shutter button completely

to take the picture.

The Speediite 220EX fires a test

prefiash immediately before the
shutter is released After obtaining

an initial flash exposure reading
with the prefiash, the Speedlite
220EX fires the main flash to pro
vide optimum flash exposure

The test preflash is fired to obtain an initial flash exposure reading which is used to compute the output of the main
flash for optimum flash exposures.
The main flash is fired when the shutter is released to provide optimum flash exposure.