A configuration for defining bracketed photo captures in terms of specific exposure and ISO values.
- iOS 8.0+
AVCapture class is a concrete subclass of the
AVCapture class used when bracketing exposure duration and ISO.
AVCapture instance defines exposure duration and ISO settings that should be applied to one image in a bracket. An array of
AVCapture objects is passed to
capture to specify the bracketing.
The minimum and maximum duration and ISO are query-able properties of the
AVCapture instance supplying data to an
AVCapture instance. If you wish to leave
exposure unchanged for this bracketed still image, you pass the value
AVCapture when creating the instance. To keep the ISO unchanged, you pass
AVCapture when creating the instance.