Maybe one of these similar products would be of interest:-

XPIMAGE Contarex-L Lens Mount Adapter Ring Compatible with Carl Zeiss Ikon Contarex Lens to Leica SL Panasonic S5 Sigma Fp L L-Mount System Mirrorless Digital Camera

Sony 24-70mm f/2.8 Carl Zeiss Vario Sonnar T Zoom Lens for Sony Alpha Digital SLR Cameras

Carl Zeiss 135 mm / F 2.0 MILVUS ZF.2 Lens

Carl Zeiss Planar 50mm f1.7 lens, Contax for the Contax Yashica RTS series

CARL ZEISS 16MM F8 HOLOGON T* FOR CONTAX G #542