Canon eos rebel g - Manual (Page 42)

Partial Metering and AE Lock
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In high-contrast situations such as a person spotlighted against a dark
background, the exposure may turn out too bright or too dark in certain
areas of the photograph. To obtain a more accurate exposure in such
cases, use AE lock to lock the subject’s exposure level.
Partial metering circle
■I Set the Command Dial to a
1 Creative Zone mode.
O Aim the active focusing point where
^ you want to lock the exposure, then
press the shutter button halfway to
achieve focus.
■ The exposure setting (shutter speed and
aperture) will be displayed in the
viewfinder and on the LCD panel.
O If necessary, move the partial
^ metering circle over the area where
you want to lock the exposure, then
press the AE lock button (* ).
* The AE lock indicator ( * ) in the
viewfinder lights and the exposure level
locks. The exposure level will be locked for
about 4 seconds after the AE lock button is
released.
* Whenever the AE lock button is pressed, it
locks the exposure level for the area
currently covered by the partial metering
circle.
■ AE lock will be canceled 4 seconds after
the AE lock button is released or if the
Command Dial is turned.
■ If the Command Dial is set to M (see page
37), the exposure level indicator will
indicate
the difference between the
exposure setting you have set and the
partial metering exposure level of the
subject.
A Recompose the shot, focus if
** necessary, then take the picture.
To take continuous shots with AE lock, hold
down the AE lock button ( *) and press the
shutter button.
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