Today Sony announced the successor to their popular a7R stills camera. Aptly named the a7R II, the new camera brings a whole host of powerful new features, including 5-axis sensor stabilization like that found in the a7II, internal 4K recording to Sony's XAVC-S format, and a powerful new OLED viewfinder.
Here are the product videos that Sony has released thus far, including some early 4K footage:
Here are the specs and a few photos: