Canon PowerShot SX170 IS - Manual (Page 114)

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• [Servo AF] ( = 114 ) is set to [On] and cannot be changed.
• Tracking may not be possible when subjects are too small
or move too rapidly, or when subject color or brightness
matches that of the background too closely.
• [AF-Point Zoom] on the [ 4] tab is not available.
• [ e] is not available.
• The camera can detect subjects even if you press the shutter button
halfway without pressing the < q> button. After your shot, [ ] is
displayed in the center of the screen.
• When shooting in [ f] mode ( = 108 ), press and hold the < q>
button for at least one second.
Still Images
Shooting with Servo AF
This mode helps avoid missing shots of subjects in motion,
because the camera continues to focus on the subject and adjust
the exposure as long as you press the shutter button halfway.
1
Configure the setting.
z z Press the < n> button,
choose [Servo AF] on the [ 4]
tab, and then choose [On]
( = 45 ).
2
Focus.
z z The focus and exposure are
maintained where the blue AF
frame is displayed while you
are pressing the shutter button
halfway.