When Apple unveiled the iPhone 12 range in October 2020, one of the major upgrades in the Pro and Pro Max models was the addition of a lidar sensor, initially introduced in the iPad Pro, launched just over six months earlier. Apple says the sensor not only improves focusing for low-light photos and videos, but also creates precise ‘depth maps’ for image-processing as well as augmented reality (AR) apps that rely on 3D scanning and mapping of objects and rooms…