B&H Photo has all the Zeiss lenses for Canon and Nikon.
Zeiss 25mm f/2.8 Distagon
See previous commentary on the pleasures of working with Zeiss ZF.2 lenses on mirrorless and other alternative cameras.
The Zeiss 25mm f/2.8 Distagon is a a moderate angle lens offering a strong visual impact that also has the nice appeal of being relatively compact.
This series follows the 21/2.8 Distagon, 18/3.5 Distagon, 15/2.8 Distagon and 28/2 Distagon series, see also the 25/2 Distagon.
In Guide to Zeiss:
Pescadero Creek Confluence (Sony A7, Zeiss 25mm f/2.8 Distagon)
Includes the usual HD and UltraHD images and generously-sized actual pixels crops.
Pescadero Creek Confluence
Sony A7 + Zeiss 25mm f/2.8 Distagon @ f/4