One of my sources told me that Sony developed a new 54 Megapixel Full Frame sensor. It has 2460 focusing points (no joke!) and the focusing area covers 78% of the entire sensor. The sensor is still very expensive to manufacture. But if Sony will manage to lower the production costs that sensor could find his way in 2015-2016 A and E-mount cameras.
Reminder: Plenty of new cameras and lenses will be announced in January-February. There will be A and E-mount cameras, both Full Frame and APS-C. Stay tuned on SAR ;)
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Reminder (SR = Sonyrumor):
SR1=probably fake rumor
SR2=rumor from unknown sources
SR3=50% chance it is correct
SR4=rumor from known sources
SR5=almost certainly correct!