Sony markets it as having "4D FOCUS for fast, accurate tracking autofocus".
[3][4] Camera packages named with additional letter K ship with the 18–55 mm and 18–135 mm Zoom Lens in a kit, similar to model/kit variants of the SLT-A58Y and SLT-A58K.
24.2 MP APS-C Exmor CMOS sensor.
"4D" focus system as introduced on the α77 II, Bionz X and more efficient XAVC S codec HD video encoding at a higher framerate (1080/30p vs. 1080/24p on previous models).
[5] ISO ranges from 100 to 12800 (in video) and 25600 (in still image mode).