Is the zeiss milvus 135mm f 2 good for portraits?

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From Zeiss Milvus 135mm f/2: Zeiss Milvus 135mm f/2: A prime lens by Zeiss for Full frame cameras, 135mm f/2. Specs - Maker: Zeiss - Focal length: 135mm (prime) - 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, 135mm. - On APS-C (Nikon F): like 202mm on full frame; f/2 ...

From Zeiss Batis 135mm f/2.8: Zeiss Batis 135mm f/2.8: A prime lens by Zeiss for Full frame cameras, 135mm f/2.8. A light, stabilised telephoto prime for portraits and detail.

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