Canon 28 135 - EOS 50D 15.1MP Digital SLR Camera, Инструкция по эксплуатации

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The built-in flash and an external Speedlite can also be set with the
menu. The menu for the external Speedlite will be applicable only to
EX-series Speedlites whose functions can be set with the camera .
Select [Flash control].
Under the [
7
] tab, select [ Flash
control ], then press <
0
>.
X The flash control screen will appear.
Normally, set this to [ Enable ].
If [Disable] is set, both the built-in
flash and external Speedlite will
not fire.
This is useful when you only
want to use the AF-assist beam.
[ Flash mode ] cannot be selected.
[ Flash exp. comp ] can be set as
explained on page 109.
Set [ E-TTL II ] as explained on the
next page.
Shutter sync.
Normally, set this to [ 1st curtain ] so that the flash fires immediately
after the exposure starts.
If [
2nd curtain ] is set, the flash will fire right before the exposure
ends. When this is combined with a slow sync speed, you can create
a trail of light such as from car headlights at night. With 2nd curtain
sync, two flashes will be fired, once when you press the shutter
button completely, and once immediately before the exposure ends.
3
Flash Control
N
About [Flash firing]
About [Built-in flash func. setting]
COP
Y