automaticallyAdjustsLensAperture

This property reports true whenever lensAperture is unlocked, either by setting exposureMode to one of the automatic modes, or by passing AVCaptureLensApertureAuto to the aperture parameter of Setexposuremodecustom(lensaperture:duration:iso:completionhandler:).

var automaticallyAdjustsLensAperture: Bool { get }