Canon ef 100mm f 2 8 macro usm vs zeiss milvus 100mm f 2 macro?

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From Canon EF 100mm f/2.8 Macro USM: Canon EF 100mm f/2.8 Macro USM: A macro lens by Canon for Full frame cameras, 100mm f/2.8. The non-L 1:1 macro, a common used alternative to the L version. Specs - Maker: Canon - Focal length: 100mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Canon EF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF): as marked, 100mm. - On APS-C (Canon) (Canon ...

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 ...

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