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Though many patent applications never end up becoming real-world solutions, Apple's latest filing looks promising for the future of smartphone photography.
Light-field technology has grown in popularity since the arrival of the Lytro camera, which allows photographers to refocus images after they have been taken.
A Silicon Valley start-up has begun showing off an early model of its slim and unusual array camera for mobile phones.
Replacing film with digital sensors was a major change, but new combining computing with photography is beginning to transform the industry more radically.