The Zeiss Touit 2.8/50M is an APS-C macro prime lens for Sony E and Fujifilm X mounts announced by Zeiss on January 30, 2014.
Build quality The lens features a minimalist matte-black plastic exterior with a Zeiss badge on the side of the barrel and a rubber focus ring.
See also List of third-party E-mount lenses Fujifilm X-mount Lenses Sony E 30mm F3.5 Macro Sony FE 50mm F2.8 Macro
Sources http://www.dpreview.com/products/zeiss/lenses/zeiss_touit_50_2p8/specifications