Sony announces the a7r II mirrorless full frame camera
Sony has announced the a7r II full frame mirrorless camera. It has a back-illuminated 42.4 MP sensor and on-sensor phase detection autofocus. ISO is expandable up to 102,400 and video can be captured in 4k (UHD) video at 30p/25p or 24p in the XAVC S format.