Focus the subject.
Set the camera’s shooting mode to .

Flash Photography with Speedlite 550EX

Full Auto Flash

Full Auto E-TTL autoflash used with the < > Program AE mode is described here. For details on Speedlite 550EX operations, see the Speedlite 550EX Instructions booklet.

1

2Check that the 550EX’s pilot lamp is lit.

3

Take the picture.

4• Make sure the flash-ready indicator is on, and check the shutter speed and aperture before taking the picture.

E-TTL Autoflash in Other Shooting Modes

Even in the , , and modes, E-TTL autoflash is as easy as normal picture-taking without flash.

(1)When you press the shutter button halfway, the shutter speed and aperture are set by the camera as with normal picture-taking without flash.

Mode

Shutter Speed Setting

Flash Aperture Setting

(Shutter speed-priority AE)

Manual (30 sec. - 1/250 sec.)

Auto

(Aperture-priority AE)

Auto (30 sec. - 1/250 sec.)

Manual

(Manual)

Manual (30 sec. - 1/250 sec.)

Manual

(2)When you press the shutter button completely, preflash evaluative metering based on the aperture set in (1) is used for the E-TTL autoflash exposure.

(3)The background exposure is set by the shutter speed and aperture combination.

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Canon EOS-1V HS manual Full Auto Flash, TTL Autoflash in Other Shooting Modes