Canon EOS 7 - Manual (Page 80)

Flash Photography with an EX-Series Speedlite
* FE Lock
FE (flash exposure) lock obtains and locks the correct flash exposure
reading for any part of the scene.
• FE lock works in Creative Zone modes.
FEL
(D
SO
Check that the 420EX’s pilot lamp
is lit.
• The flash mode can be either normal
or high-speed sync. FE lock works
with either mode.
Focus the subject.
• Focus at the point where you want to
lock the flash exposure.
Aim the center focusing point
where you want to lock the flash
exposure, then press the <*>
button. ((2)16)
> The < * > icon lights in the
viewfinder.
•• The Speedlite fires a preflash and
stores and locks the flash exposure
reading in memory.
■■ In the viewfinder, the focusing point
achieving FE lock flashes in red.
•• Below the viewfinder, the display
shown in (1) appears for 0.5 sec.
followed by the display shown by (2).
• Each time you press the < * >
button, a preflash fires and the flash
exposure reading is locked.
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