Sony ILCE-6500 Manual page 279

Continuously repetitive patterns, such as the facades of buildings
Subjects in the focusing area with different focal distances
Note
[Automatic AF] is available only when you are using a lens that supports phase detection AF.
When [Continuous AF] or [Automatic AF] is set, the angle of view may change little by little while
focusing. This does not affect the actual recorded images.
Only [Continuous AF] and [Manual Focus] are available in the movie shooting mode.
Hint
In [Continuous AF] mode, you can lock the focus by pressing and holding the button that has been
assigned the [Focus Hold] function.
[294] List of MENU items
Priority Set in AF-S
Sets whether to release the shutter even if the subject is not in focus when [Focus Mode] is set
to [Single-shot AF], [DMF] or [Automatic AF] and the subject is remaining still.
MENU →
1
Menu item details
AF:
Prioritizes focusing. The shutter will not be released until the subject is in focus.
Release:
Prioritizes the shutter's release. The shutter will be released even if the subject is out of focus.
Balanced Emphasis:
Shoots with a balanced emphasis on both focusing and shutter release.
[295] List of MENU items
Priority Set in AF-C
Camera Settings1
(Camera Settings1) → [Priority Set in AF-S] → desired setting.
Camera Settings1