This is a Tamron lens that has a Sony E (NEX) mount. It is of the wide type.
From London Camera Exchange
Tamron 35mm f2.8 Di III OSD Macro wide-angle lens - Sony FE Fit
Carmarthen Cameras
Tamron 35mm f2.8 Di III OSD M 1:2 Sony E-mount Prime Lens
This product is also available at 3 unverified stores.