The first full frame lens for Sony NEX E-mount cameras: Zeiss Sonnar T* FE 35mm F2.8 ZA (SEL35F28Z) now leaked on Sony Germany website. And there is a full PDF file (download here/ and in english here) that describes this lens:
The Sonnar T FE 35mm F2.8 ZA is compatible with the range of a 35mm format image sensor. The other lenses are compatible with the range of an APS-C sized image sensor. A camera equipped with a 35mm format image sensor can be set to shoot at APS-C size. For details on how to set your camera, refer to its instruction manual.