The Alpha portfolio from Sony is pretty well stacked, what with cameras like the newly minted, 4K-ready A7s. To add to that, the Japanese electronics giant todays announcing the A77 II, a successor to the 24.3-megapixel shooter it revealed back in 2011. Similar to its predecessor, Sonys A77 II features the same amount of megapixels and Exmor APS-C sensor, but this is now coupled with the Bionz X image chip thats found on the Alpha A7 and A7R cameras.