Canon EOS 3 User Manual (en)

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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 Instructions that
came with it.
Set the camera’s shooting mode to
P.
Check that the 550EX’s pilot lamp
is lit.
Focus the subject.
Make sure the flash-ready indicator
is lit, check the shutter speed
and aperture, then take the picture.
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E-TTL Autoflash in Other Shooting Modes
Even in the TvAv, and modes, E-TTL autoflash can be used as easily
as without flash.
(1) When you press the shutter button, the shutter speed and aperture
are set by the camera as usual.
(2) When you press the shutter button completely, preflash evaluative
metering based on the aperture setting is used for the flash exposure.
(3) The background exposure is set by the shutter speed and aperture
combination.
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Mode
Shutter Speed Setting
Flash Aperture Setting
Tv (Shutter speed-priority AE)
Manual (30 sec. - 1/200 sec.)
Auto
Av (Aperture-priority AE)
Auto (30 sec. - 1/200 sec.)
Manual
(Manual)
Manual (30 sec. - 1/200 sec.)
Manual
 07. C836-E (91~)   28-01-2003  12:41  Pagina 93