Sony a7C Mirrorless Camera (Black) - Manual (Page 133)

The touch focus function is not available in the following situations:
When [Focus Mode] is set to [Manual Focus].
When using the digital zoom
When using the LA-EA2 or LA-EA4
When using the LA-EA1 or LA-EA3, and the shooting mode is set to Movie
Related Topic
Touch Operation
Touch Panel/Pad
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