Af drive and af button settings – SIGMA SD1 User Manual
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AF DRIVE AND AF BUTTON SETTINGS
The
SD1 is equipped with the
button. It is possible to allocate the
function of AF Lock or AF drive to the
button.
Please set from [
Capture Settings] (P.28) → [AF Drive Setting].
Off /
AF-On
If you would not like to allocate any function to the
button,
please select this mode.
z
Auto Focus will work by pressing the shutter button halfway.
z
The
button will not be functional.
AFL /
AF-On
(Default)
Please use this mode for ordinary photography.
z
Auto Focus will work by pressing the shutter button halfway.
z
The
button is allocated the function of Focus Lock.
z
After focusing by pressing the shutter button halfway, the
focusing point will be locked when you keep the
button
fully depressed.
z
Whilst keeping the
button fully depressed, Auto Focus
will not work even if you press the shutter button halfway.
AF-On /
Off
This mode separates the driving of auto focus from the shutter
button.
z
Auto Focus will work by pressing the
button. Even if
you press the shutter button halfway, Auto Focus will not
work.
z
When the AF mode is set to
(Single AF mode), after
focusing the Focus Indicator will remain indicating even if
you remove your finger from the
button. It is only
possible to release the shutter when the Focus Indicator is
indicated in the viewfinder display. (The focus indicator will
keep indicating until you operate one of the following. “Press
the button again”,” Turn the camera off” or “Switch the Focus
Mode switch on the lens body to “M”.)
z
When the AF mode is set to
(Continuous AF mode), Auto
Focus will work whilst keeping the
button fully
depressed. The shutter can be released only when the
button is kept pressed.