Canon D20 - Manual (Page 115)

Shooting Range and Focusing
115
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.
Configure the setting.
Press the n button, choose [Servo AF]
on the 4 tab, and then choose [On] (p. 42).
Focus.
The focus and exposure are maintained
where the blue AF frame is displayed while
you are pressing the shutter button halfway.
• [Servo AF] 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 (p. 109), press and hold the q button for at least
one second.
Shooting with Servo AF
Still Images