http://www.photozone.de/pentax/149-helios-40-2-85mm-f15-m42-to-pentax-review--test-report?start=2

The Helios 40-2 85mm f/1.5 was surely one of the more interesting lenses 
that found its way to the lab. Technically the lens is no good but naturally 
there's still a truth beyond hard facts........

PS Reik manyti pirmos kartos geresnis, nors kazi :)