Ae Lock - Canon EOS-3 Instructions Manual

7. AE Lock

Normally, the camera's autoexposure meter reading changes in real-time
when you change the camera angle. AE lock prevents the meter reading
from changing even when you recompose the shot. This feature is useful
for backlit and spotlighted subjects.
1 Focus at the point where you want
to lock the meter reading.
• The exposure setting (shutter speed and
aperture) will be displayed on the LCD
panel and in the viewfinder.
2
Press the <
• < > lights in the viewfinder to indicate
that the exposure setting is locked.
• Each time you press the <
locks the current exposure setting.
• AE lock cancels 6 seconds after you press
the < > button or if you press the <
button, < > button, or <
6
> button. ( )
> button, it
> button.
>
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