Is the leica apo macro elmarit sl 100mm f 2 8 good for portraits?

Here is what the site says about that.

From Leica APO-Macro-Elmarit-SL 100mm f/2.8: Leica APO-Macro-Elmarit-SL 100mm f/2.8: A macro lens by Leica for Full frame cameras, 100mm f/2.8. Specs - Maker: Leica - Focal length: 100mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (L-Mount): as marked, 100mm. - On APS-C (L-Mount): like 150mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. ...

From Portraits: Portraits: For portraits, the lens matters far more than the camera. A cheap body with a good portrait lens beats an expensive body with a kit zoom every time.

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