Flexizone/Center; Recomposing Shots While The Focus Is Locked - Canon POWERSHOT G1X User Manual

Shooting Range and Focusing
i_) If faces are not detected, or when only gray frames are displayed
(without a white frame), up to nine green frames are displayed in the
areas in focus when you press the shutter button halfway.
If faces are not detected when Servo AF (p. 112) is set to [On], the
AF frame is displayed in the center of the screen when you press the
shutter button halfway.
Examples of faces that cannot be detected:
Subjects that are distant or extremely close
Subjects that are dark or light
Faces in profile, at an angle, or partly hidden
The camera may misinterpret non-human subjects as faces.
No AF frames are displayed if the camera cannot focus when you
press the shutter button halfway.
@ FlexiZonelCenter
One AF frame is displayed. Effective for reliable focusing.
With [FlexiZone], you can move and resize the AF frame (p. 110).
f_ A yellow AF frame is displayed with O if the camera cannot focus
when you press the shutter button halfway. Note that AF-point
zooming (p. 63) is not possible.
.... ;
@ Recomposing Shots While the Focus is Locked
As long as you keep the shutter button pressed halfway, the focus and
exposure are locked. You can recompose shots as needed before shooting.
This feature is called Focus Lock.
Focus.
Aim the camera so that the subject is
centered, and then press the shutter button
halfway.
Confirm that the AF frame displayed around
the subject is green.
109