What is a LiDAR scanner, the iPhone 12 Pro’s camera upgrade, anyway?

The iPhone 12’s camera specs have finally been unveiled – and we now know that the iPhone 12 Pro range is going to be using the new LiDAR scanner on the back. That’s right, the same mysterious dot that first appeared on the iPad Pro 2020.

But what is a LiDAR scanner? A built-in lie detector? A more relaxed version of radar perhaps? As we’ll discover, LiDAR (or ‘Light Detection and Ranging’) does work in a similar way to radar, only it uses lasers to judge distances and depth. This is big news for augmented reality (AR) and, to a lesser extent, photography too.

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