I should have mentioned that, Moose -- converting to 16 bit before
processing a JPEG file. But I reckoned that Tim wasn't using
Photoshop as he did not seem to have Camera RAW (or he might not have
asked the question about processing RAW files).
I understand your mention of "oddness", f the steady depletion of
each light value with incremental adjustment. If you use the
automatic buttons in Photoshop you can see the depletion in the
histogram.
Chris
~~ >-)-
C M I Barker
Cambridgeshire, Great Britain.
+44 (0)7092 251126
www.threeshoes.co.uk
homepage.mac.com/zuiko
On 14 Jul 2006, at 09:38, Moose wrote:
> If you are going to be doing a lot of messing with a JPEG image, or
> any
> 8 bit image, converting to 16-bit, doing the editing, then converting
> back, can minimize the oddness that can otherwise occur. I don't know
> what else to call the effect of cumulative adjustment to 8-bit images.
> They can just start to look less and less natural as editing goes on.
> Some are relatively unaffected, others get almost surreal. Of
> course, I
> do sometimes mess about a lot.....
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