Tv: e-ttl autoflash and shutter speed-priority ae, Set the camera's command dial to <tv, Set the desired shutter speed – Canon 420EX User Manual

Page 23: Take the picture

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Flash in Other Picture-Taking Modes

Tv: E-TTL Autoflash and Shutter Speed-Priority AE

When you want to use the shutter speed to create a certain effect, set the

camera to shutter speed-priority AE. In this mode, you set the shutter

speed anywhere from 30 sec. to the camera's fastest sync speed. The

camera then sets the aperture automatically to obtain the correct

background exposure. E-TTL autoflash controls the flash output based on

the set aperture.

* •

Set the camera's Command Dial

to <Tv>.

• Set the high-speed sync switch to

Set the desired shutter speed.

• Turn the camera's electronic dial to

set the shutter speed.

• Set the shutter speed anywhere from

30 sec. to the camera's fastest sync

speed.

Take the picture.

• Focus the subject, check that the

<i> icon is lit in the viewfinder, then

take the picture

Q If the minimum aperture setting blinks, the background will be overexposed. If

the maximum aperture setting blinks, the background will be underexposed.

Change the shutter speed until the aperture setting stops blinking.

23

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