Canon Speedlite 420EX User Manual

Page 24

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Flash in Other Picture-Taking Modes

M: E-TTL Autoflash and Manual Exposure

When you want to set both the shutter speed and aperture, use manual
exposure. E-TTL autoflash controls the flash output according to the
aperture you set. The background exposure is determined by the shutter
speed and aperture combination.

Set the camera's Command Dial

to <M>.

• Set the high-speed sync switch to

<•>.

Set the desired aperture and

shutter speed.

• Turn the camera's electronic dial.
• Set shutter speed anywhere from 30

sec. to the camera's fastest sync

speed.

Take the picture.

• Focus the subject, check that the

<4> icon is lit in the viewfinder, then

take the picture.

24

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