Global Variable


A special constant representing the current lens position.


const float AVCaptureLensPositionCurrent;


Pass this value to setFocusModeLockedWithLensPosition:completionHandler: to lock focus (that is, disable autofocus) without changing the lens' current position.

See Also

Managing the Lens Position


Indicates the focus position of the lens.

- setFocusModeLockedWithLensPosition:completionHandler:

Locks the lens position at the specified value.


A Boolean value indicating whether the device supports locking focus to a specific lens position.

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