currentLensAperture
A special value that may be passed as the lensAperture parameter of a device’s setExposureModeCustom... methods to lock at the current position.
Declaration
class let currentLensAperture: FloatDiscussion
This value may be passed to setExposureModeCustom(lensAperture:duration:iso:completionHandler:) to lock it to its current value. Note that the device may be adjusting the aperture at the time of the call, in which case lensAperture may be locked to different value than the value obtained by querying the property.
See Also
Configuring exposure manually
setExposureModeCustom(duration:iso:completionHandler:)setExposureModeCustom(lensAperture:duration:iso:completionHandler:)autoExposureDurationautoISOautoLensApertureexposureDurationisolensApertureactiveMaxExposureDurationautomaticallyAdjustsExposureDurationautomaticallyAdjustsISOautomaticallyAdjustsLensApertureautoExposureLensApertureRateLimit