FE Lock
FE (flash exposure) lock obtains and locks the correct flash exposure
reading for any part of the scene.
Spot metering circle
Flash Photography with Speedlite 550EX
1
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.
2
Focus the subject.
• Focus at the point where you want to
lock the flash exposure.
3
Aim the spot metering circle over
the part where you want to lock
the flash exposure, then press the
<
> button (
The Speedlite fires a preflash and
stores the required flash output in
memory.
In the viewfinder, the focusing point
achieving FE lock flashes in red.
).
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