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Help Guide
Interchangeable Lens Digital Camera
ILCE-7M3 α7III
AF System (still image)
Sets the focus detection system (Phase Detection AF/Contrast AF) when you attach an A-mount lens using an LA-
EA1/LA-EA3 Mount Adaptor (sold separately).
Menu item details
Phase Detection AF:
Focuses with Phase Detection AF. The focusing speed is very fast.
Contrast AF:
Always focuses with Contrast AF. The focusing speed is slower. Use when you cannot focus with [Phase Detection AF].
Note
When [
AF System] is set to [Contrast AF], [Continuous AF] under [Focus Mode] is unavailable.
The following functions are unavailable when [
AF System] is set to [Phase Detection AF]:
[Zone], [Expand Flexible Spot], and [Lock-on AF] in [Focus Area] (All types of focus area are available when the camera's
system software (firmware) version is 2.00 or later.)
[Center Lock-on AF]
When [
AF System] is set to [Phase Detection AF], [Priority Set in AF-S] will temporarily switch to [AF] even if it is set to
[Balanced Emphasis].
4-732-947-15(1) Copyright 2018 Sony Corporation
MENU →
(Camera Settings1) → [ AF System] → desired setting.
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