A Boolean value that indicates whether the device is a virtual device consisting of two or more physical devices.
Mac Catalyst 13.0+
Two examples of virtual devices are:
The dual camera, which supports seamless switching between wide-angle and telephoto cameras while zooming and generating depth data from the disparities between the points of view of the physical cameras.
The TrueDepth camera, which generates depth data from disparities between YUV and infrared cameras pointed in the same direction.