We’ve been impressed by what we’ve seen so far of the autofocus changes Panasonic introduced with its new S5. The latest version doesn’t iron-out all the quirks but continuous AF for stills, in particular, appears much improved. But beyond this, the details we were given about how these improvements had been achieved are interesting. They help to highlight both the benefits and the continued challenges of the company’s Depth-from-Defocus system.
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https://www.dpreview.com/articles/0171197083/coming-into-focus-how-panasonic-s-dfd-gamble-may-yet-pay-off