Hmm, I was just reading about that in an article by Michael Reichmann (of the Luminous Landscape) for Adobe:
<http://www.adobe.com/digitalimag/pdfs/transition_from_film.pdf> Toothcomb effect, anyone? t On 11/30/04 14:19, Steve Jolly wrote: > Shel Belinkoff wrote: >> When I open up the tonal range in PS I see lots of blockiness and strong >> artifacts. I'm not sure what causes that (poor quality scan, too much >> sharpening? I'm not skilled enough to always recognize the cause of some >> things). > > I think what you're seeing are JPEG artefacts, made visible by your > compression of the tonal range. > > S > > >
