Canon PowerShot Camera S90 - Manual (Page 87)

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While the shutter button is pressed halfway, the focus and exposure will
continue to adjust, allowing you to take pictures of moving subjects without
missing a shot.
Choose [Servo AF].
● Press the n button and choose
[Servo AF] from the 4 tab, and press the
qr buttons to choose [On].
Focus.
● The focus and exposure will be
maintained where the blue AF frame
appears while you press the shutter
button halfway.
X If a face is not detected when AF Frame is
set to [Face AiAF] (p. 84), the AF frame
will be set to Center.
Shooting with Servo AF
• 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.
• While in Servo AF mode, [AF-Point Zoom] in the 4 tab cannot be set to
[On].
• Not available in Self-timer (pp. 66, 67) or Manual Focus (p. 89).
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