109
Flash Photography
6
Flash Photography with Speedlite 550EX
FE Lock
FE (flash exposure) lock obtains and locks the correct flash exposure reading for any part of
the scene.
Check that the Speedlite’s pilot lamp is
lit.
•
The flash mode can be either normal or high-speed
sync. FE lock works with either mode.
1
Focus the subject.
•
Focus at the point where you want to lock the flash
exposure.
2
3
Aim the spot metering circle over the
part where you want to lock the flash
exposure, then press the <
> button
(
).
s
The Speedlite fires a preflash and stores the
required flash output in memory.
s
In the viewfinder, the AF point achieving FE lock
flashes in red.
s
Below the viewfinder, the display shown by
1
appears for 0.5 sec. followed by the display shown
by
2
.
4
Spot metering circle
Compose the shot and take the picture.
If the subject is too far away, resulting in underexposure, the < > icon will blink. In
such a case, increase the ISO speed or get closer to the subject and repeat steps
3
and
4
.
C.Fn-13-1/3 enables FE lock with the manually-selected AF point. (
→
p.136)
1
2
Summary of Contents for EOS-1D
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