B&H Photo has all the Zeiss lenses for Canon and Nikon.
At about $1395, the Zeiss 18mm f/3.5 Distagon is an ultra wide angle lens offering a strong visual impact. Adapted to the Sony A7/A7R or other mirrorless cameras or even the Leica M Typ 240, it offers a high performance, affordable, and brand-versatile option.
In Guide to Zeiss:
Includes the usual HD and UltraHD images and generously-sized actual pixels crops.