Canon PowerShot S40 Digital Camera User Manual


 
80 Shooting - Selecting Particular Effects
Locking the Exposure Setting (AE Lock) (continued)
The AE lock function cannot be used when the optical viewfinder is used to shoot.
This function can only be selected in the , and shooting modes.
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