The minimum zoom factor allowed in the current capture configuration.
- iOS 11.0+
On single-camera devices, this value is always
1. On a dual-camera device, the allowed range of video zoom factors can change if the device is delivering depth data to one or more capture outputs.
video property to (or calling the
ramp(to method with) a value less than
1 always raises an exception. Setting the video zoom factor to a value between
1 and the minimum available zoom factor clamps the zoom setting to the minimum.
This property is key-value observable.