Is the tamron 35 150mm f 2 8 4 di vc osd good for portraits?

Here is what the site says about that.

From Tamron 35-150mm f/2.8-4 Di VC OSD: Tamron 35-150mm f/2.8-4 Di VC OSD: A zoom lens by Tamron for Full frame cameras, 35-150mm f/2.8-4. A stabilised portrait and travel zoom for full-frame DSLRs. Specs - Maker: Tamron - Focal length: 35-150mm (zoom) - Maximum aperture: f/2.8-4 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: Canon EF, Nikon F - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F): ...

From Tamron 35-150mm f/2-2.8 Di III VXD: Tamron 35-150mm f/2-2.8 Di III VXD: A zoom lens by Tamron for Full frame cameras, 35-150mm f/2-2.8. A portrait and event zoom that's nearly as bright as a set of primes.

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