Is the pentax hd d fa 70 200mm f 2 8 ed dc aw good for portraits?

Here is what the site says about that.

From Pentax HD D FA* 70-200mm f/2.8 ED DC AW: Pentax HD D FA* 70-200mm f/2.8 ED DC AW: A zoom lens by Pentax for Full frame cameras, 70-200mm f/2.8. Specs - Maker: Pentax - Focal length: 70-200mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Pentax K - Stabilised: no - Autofocus: yes What it frames like - On full frame (Pentax K): as marked, 70-200mm. - On APS-C (Pentax K): like 105-300mm on full frame; f/2.8 gives about the depth of field ...

From Portraits: The lenses: - 50mm f/1.8. The cheapest great lens in photography, made for almost every mount. On full frame it's a natural, slightly tight view; on APS-C it behaves like a classic 75-80mm portrait lens. If you buy one lens for people, buy this. - 85mm f/1.8. The classic full-frame portrait lens: flattering perspective, soft backgrounds, comfortable working distance. On APS-C, a 56mm f/1.2 to f/1.4 plays the same role. - 35mm ...

Quoted from this site's pages.