This Zeiss-made lens sports a Leica M mount. It is not a zoom lens, but rather a prime lens.
From Photospecialist
Zeiss 35mm F/2.0 Biogon T* Black ZM (Zeiss-Leica)
Amazon
ZEISS Ikon Biogon T* ZM 2/35 Wide-Angle Camera Lens for Leica M-Mount Rangefinder Cameras, Black
This product is also available at 2 unverified merchants.