Take the picture.

Flash Photography with Speedlite 550EX

E-TTL Autoflash

Using E-TTL autoflash in the <> Program AE mode is described below. For details on using Speedlite 550EX, see the instructions booklet that came with it.

1 Set the camera’s shooting mode to <>.

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

3Focus the subject.

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-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

∗Since using the <> mode in low light will result in a slow shutter speed, use a tripod to prevent camera shake.

(2)When you press the shutter button fully, 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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Photography Flash

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