Sony has a very limited selection of lenses that can natively be used with the new A7 and A7r full frame mirrorless cameras. In Sony’s roadmap more FE lenses are on the way and expected to be announced in Spring.
We all know that Sony will announce two new FE lens in the near future and they are most likely a wide angle zoom and a fast prime lens. Zeiss 16-35mm f/4 could be the wide angle zoom and sure the widely expected Zeiss 35mm f/1.4 may be the fast prime lens for full frame mirrorless cameras.
See also : Recommended Lenses for Sony A7 and A7r
These FE lenses expected to be announced in 4-6 weeks period.
Next Sony FE Lenses Are Zeiss 16-35mm f/4, Zeiss 35mm f/1.4, Sony G 90mm Macro?
Zeiss currently has 35mm f/1.4 lens for Canon and Nikon only and it is priced for $1,843.
Currently both Sony A7 and A7r FF mirrorless cameras are compatible with Sony E-mount system and newly announced native full frame lenses. You can also use your Sony A-mount lenses with the LA-EA4 adaptor which is priced for $350.