Fe Lock - Canon SPEEDLITE 220EX Instructions Manual

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FE Lock
When used with Type A cam¬
eras, the Speedlite 220EX
enables FE (Flash Exposure)
lock which locks the flash expo¬
sure reading for the desired
area. The camera AE lock but¬
ton functions as an FE lock but¬
ton as soon as the Speedlite
220EX is recharged. Use FE
lock to obtain and lock the cor¬
rect flash exposure reading for
the desired area of the picture.
You can simply recompose the
shot while retaining the flash
exposure reading for optimum
flash exposure.
Set the camera to the
desired Creative Zone
mode (P, Tv, Av, M, or
DEP).
Press the shutter button
halfway to focus on the
subject. Keep pressing
the shutter button halfway
even
after
focus
is
achieved.
Aim the focusing point
where you want to obtain
correct flash exposure
reading, then press the FE
lock button.
• The preflash is fired to obtain an
initial flash exposure reading
which is used to compute the
output of the main flash for opti¬
mum flash exposures
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S.SL-'J-2*1-;-''2**
• The FE lock symbol (FEL) is dis¬
played in the viewfinder for about
0 5 sec. and the correctflash
exposure reading is locked.
• The correct flash exposure read¬
ing that is obtained is locked for
16 sec after the FE lock button
is released.
1^1 • Use of FE lock may not provide the desired results when locking the
flash exposure reading of a relatively small subject.
• Use of FE lock is not applicable for flash photography with fully-auto-
matic flash operations
23

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