Canon PowerShot S30 - Manual (Page 82)

80 Shooting - Selecting Particular Effects
Locking the Exposure Setting (AE Lock) (continued)
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• The AE lock function cannot be used when the optical viewfinder is used to shoot.
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• This function can only be selected in the , and shooting modes.
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The automatically selected combinations of shutter speeds and aperture values can
be freely changed without altering the exposure with the following procedures.
1 Turn the mode dial to ,
or .
2 Press the button to turn on the LCD monitor.
3 Focus on the subject on which you wish to lock the exposure.
4 Press the
button.
- The exposure setting will lock and the icon will appear in the display panel
and LCD monitor.
5 Press B or A on the multicontroller until the desired shutter speed or aperture
value is reached.
6 Recompose the image and shoot.
The setting will cancel after the shot is taken.
Exposure Metering Position for the AE/FE Lock According to Different Light
Metering Options when an AF Frame is Selected (Creative Shooting Modes)
Light Metering Option
Evaluative Light Metering
Center-Weighted Averaging
Spot AE Point
Center
AF Point
AF Frame Is Selected
AE/FE locks at the exposure metered within the selected AF frame
AE/FE locks at the exposure metered in the center AF frame
AE/FE locks at the exposure metered in the spot AE point at the center
AE/FE locks at the exposure metered in the spot AE point corresponding to the
selected AF frame