Is the olympus m zuiko 12 50mm f 3 5 6 3 ez good for portraits?

Here is what the site says about that.

From Olympus M.Zuiko 12-50mm f/3.5-6.3 EZ: Olympus M.Zuiko 12-50mm f/3.5-6.3 EZ: A zoom lens by Olympus for Micro Four Thirds cameras, 12-50mm f/3.5-6.3. A weather-sealed power zoom with a macro mode, once the E-M5 kit lens. Specs - Maker: Olympus - Focal length: 12-50mm (zoom) - Maximum aperture: f/3.5-6.3 (it gets darker as you zoom in) - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: no - Autofocus: yes What it frames like - On Micro ...

From Olympus M.Zuiko 14-42mm f/3.5-5.6 EZ: Olympus M.Zuiko 14-42mm f/3.5-5.6 EZ: A zoom lens by Olympus for Micro Four Thirds cameras, 14-42mm f/3.5-5.6.

Quoted from this site's pages.