Canon POWERSHOT SX100 IS User Manual page 41

1081 Various Shooting Methods
Changing the Shutter Speed and Aperture Value
Combination
The automatically selected combinations of shutter speeds and
aperture values can be freely changed without altering the exposure
to shoot images (Program Shift).
Aim the camera at the subject on which you
wish to lock the exposure,
2 Press the shutter button
halfway and press the []
button.
• The exposure setting will lock, and
,,_ will appear on the LCD
monitor.
3 Use the control dial to change shutter speed
and aperture value combinations.
4 Recompose the image and shoot.
• The setting will cancel after the shot is taken.