[DJScotty (Scott)]

Originally Posted by Shiraz

I like the full-on in-your-face look of the first image.

you could try Startools, which has a gold standard process for fixing star shapes - would probably tidy up most of the odd shape problems. My wife has one of the Sigma zooms, maybe I should sneak it out one night - looks like it works OK

Thanks Ray.
That lens works a treat.
My rig attached