The Zeiss Otus 85mm f/1.4 Apo Planar T* ZF.2 lens for Nikon F mount is now in stock for the first time at B&H and by third party resellers at Amazon.
DxOMark labeled the Zeiss Otus 85mm f/1.4 lens as the best performing portrait lens ever tested.
Technical information and sample images can be found here.