Canon t70 - Manual (Page 36)

Selective area metefing (AELock)
This system allo*//s >*ou to meter only me centra^
porton of the image In the viez/finder. thus eiim*
inatirg (he inDuerce ol iho orightness (or dark*
ness) cf the background. It is particularly effec*
tjve for metering backlit subjects« such as a
person in front cf
0 bright v^mbovr. or. conversely,
a person v/ilh a dark backgrourtd. such as in
stage photography with th^s metering system,
the AE lock mechortism* is hold on os long as
the shutter button 1$ pressed halhvay or the
exposure prove^v button (S push^ in.
* AE lock moans that me samo exposure va>je
ts kept locked in Ihe camera's memory even
v/hen ihepsciure is recempesod.
AVEPAOE
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