They might have some optimisation for photographing documents, it's true.
But when I say the performance is good, I'm not just declaring the images good because the portraits have simulated bokeh, or face-detecting autoexposure, or image stabilisation, or tasteful HDR, or a beauty mode that airbrushes out blemishes and makes photos of sunsets really pop.
Even in applications where none of those features come into play, the iPhone, can still go toe-to-toe with cameras with much larger sensors.
But when I say the performance is good, I'm not just declaring the images good because the portraits have simulated bokeh, or face-detecting autoexposure, or image stabilisation, or tasteful HDR, or a beauty mode that airbrushes out blemishes and makes photos of sunsets really pop.
Even in applications where none of those features come into play, the iPhone, can still go toe-to-toe with cameras with much larger sensors.