|iPhone 4S primary camera module|
Update: iSuppli reports that iPhone 4S has a five-lens camera module, a first in any smartphone analyzed by the IHS iSuppli Teardown Analysis service. Previously, the state-of-art has been a four-lens approach.
Update #2: Oppenheimer published report on likelihood to see Omnivision sensors in future iPhones.
Update #3: Chipworks published reverse engineering report of Sony sensor. The chip is identified as IMX-145, 8 MP, 1.4um pixel pitch, BSI CMOS image sensor.