When the [Servo AF] mode is set to [On], the focus and exposure are continuously adjusted on human subjects while the ⋖ Shutter Button ⋗ is being pressed halfway. Using the [Servo AF] mode together with the [Face AiAF] function, you can shoot moving human subjects with optimal focus and exposure.
Caution
- [AUTO]* (), [Fireworks] (), [Stitch Assist] (), [Movie] ()
* When the face of a moving subject is detected and an icon that indicates motion (such as or , etc.) appears in the upper right of the LCD monitor, [Servo AF] is automatically set to [On].
Setting [Servo AF]
1. Press the ⋖ Power ⋗ button on the camera.
2. Press the ⋖ MENU ⋗ () button.
3. The following screen appears.
Operate the ⋖ directional buttons ⋗ to select the [Shooting] tab ().
Operate the ⋖ directional buttons ⋗ to set [Servo AF] to [On].
After making these settings, press the ⋖ MENU ⋗ () button.
4. Then, set [AF Frame] to [Face AiAF].
For details on how to set [Face AiAF], please refer to the information at the following links.
Setting the AF frame (Set the AF frame to Face Detect)
- PowerShot SD940 IS / DIGITAL IXUS 120 IS / PowerShot S90
Shooting with the [Face AiAF] function
5. Point the camera at a person.
A white frame () appears over the detected face.
6. Press the ⋖ Shutter Button ⋗ halfway.
The [AF Frame] appears over the detected face.
If the face is not detected, the [AF Frame] appears in the center of the screen.
7. Keep the ⋖ Shutter Button ⋗ pressed halfway down.
Even if the human subject moves, the focus and exposure is automatically readjusted.
8. Press the ⋖ Shutter Button ⋗ fully to shoot.