Ttartisan 100mm f 2 8 2x macro vs zeiss milvus 100mm f 2 macro?

Here is what the site says about that.

From TTArtisan 100mm f/2.8 2X Macro: TTArtisan 100mm f/2.8 2X Macro: A macro lens by TTArtisan for Full frame cameras, 100mm f/2.8. Also sold in a tilt-shift version. Specs - Maker: TTArtisan - Focal length: 100mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF, L-Mount, Canon EF, Nikon F - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon ...

From Zeiss Milvus 100mm f/2 Macro: Zeiss Milvus 100mm f/2 Macro: A macro lens by Zeiss for Full frame cameras, 100mm f/2. Specs - Maker: Zeiss - Focal length: 100mm (macro) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Canon EF, Nikon F): as marked, 100mm. - On APS-C (Nikon F): like 150mm on full frame; f/2 ...

Quoted from this site's pages.