Is the sony fe 135mm f 1 8 gm good for portraits?

Here is what the site says about that.

From Sony FE 135mm f/1.8 GM: Sony FE 135mm f/1.8 GM: A prime lens by Sony for Full frame cameras, 135mm f/1.8. Specs - Maker: Sony - Focal length: 135mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 135mm. - On APS-C (Sony E): like 202mm on full frame; f/1.8 gives about the depth of field ...

From Sony FE 50-150mm f/2 GM: Sony FE 50-150mm f/2 GM: A zoom lens by Sony for Full frame cameras, 50-150mm f/2. A portrait and event zoom at f/2 throughout.

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