It looks like cropping (superior "digital zoom") is the primary benefit that they are marketing. I see laypeople trying to get a shot with their camera phone from far away all the time. This would actually let them do it in some circumstances -- you can't just make the lens zoom, because then the phone would have to become larger (and most people would rather have a thin phone with no zoom than a thick phone). This way they can have their cake (thin phone) and eat it too (zoom).





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