Af system (still image), Help guide – Sony a7C Mirrorless Camera (Black) User Manual

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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]
[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].

MENU →

(Camera Settings1) → [

AF System] → desired setting.

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