Maintaining Focus and Exposure on Moving Subjects with Servo AF using the PowerShot SD980 IS.

Article ID: ART132123 | Date published: 05/12/2015 | Date last updated: 08/17/2015
 

Solution

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 subjects with optimal focus and brightness.

To shoot moving animals or vehicles, you can directly touch the monitor to detect a target moving subject ([Touch AF] function) to automatically readjust the focus and exposure to the target subject continuously.

Attention:
  • The camera may not be able to focus in some conditions.
  • If a correct exposure cannot be obtained, the shutter speed and aperture value display in orange. Release your finger from the < Shutter Button >, then press it again halfway.
  • You cannot shoot with the AF lock in this mode.
  • [AF-Point Zoom] in the [Shooting] tab () of the < MENU > () is not available.
  • Not available in Self-Timer.
  • The following explanations are provided based on the assumption that the [Shooting Mode] is set to [Program AE] ().
  • [Servo AF] is not available in the following shooting modes.

- [AUTO]* (), [Fireworks] (), [Stitch Assist] (), [Movie] ()

* When the face of a moving human subject is detected and an icon that indicates motion (such as or , etc.) appears in the upper right of the LCD monitor, or when a moving subject is detected by [Touch AF], the [Servo AF] function 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 link.


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 on 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 person moves, the focus and exposure is automatically readjusted.

8. Press the < Shutter Button > fully to shoot.

When [Touch AF] detects a moving subject

9. Point the camera to an animal or a vehicle, and then touch the target subject on which you want to maintain the focus and exposure.

A white frame () appears over the subject whose motion is detected.

10. Press the < Shutter Button > halfway.

The [AF Frame] is displayed in blue.

11. Keep the < Shutter Button > pressed halfway.

Even if the subject moves, the focus and exposure is automatically adjusted.

12. Press the < Shutter Button > fully to shoot.

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