Today Zeiss announced three new Sony NEX and Fuji X autofocus lenses. The bad news is that these will yet not be available in native Micro Four Thirds mount. Regarding this Zeiss said that: “We intend to concentrate initially on the biggest sensor size in this segment which is APS-C. It would be possible for us to make lenses for Micro 4/3-bajonet as well but we have not made a decision on that yet. If current APS-C lenses were also used for the Micro 4/3-bajonet, we wouldn’t be able to achieve the best tradeoff between lens size (weight), and image quality”
Source: Zeiss.