RE: 16 bits = 15 bits in Photoshop?
RE: 16 bits = 15 bits in Photoshop?
- Subject: RE: 16 bits = 15 bits in Photoshop?
- From: "michael shaffer" <email@hidden>
- Date: Sat, 16 Apr 2005 16:32:45 -0230
Dan Margulis writes ...
> "It's totally obvious to anyone who looks that it's very
> advantageous to do the big moves on high-bit data."
>
> Considering that neither of the individuals who made these
> statements is able to produce even a single image on which
> correcting in high-bit can be demonstrated to be helpful, you
> will perhaps understand why I consider your stat ement, if I
> have translated it correctly, to be more reasonable.
I understand your qualification, "big moves", but you haven't yet stated
where you draw the line(?), or who would be the judge(?) How can one
anticipate not needing a big move, or when, or how, the side effects will
reveal?
Regarding demonstrations, I took on a bet, similar to your challenge, and
won $100. It goes back a number of years (1999?), but it was on the
photoshop newsgroup, and I'll bet you can google the thread. Granted, it
was a "big move" on a subtle gradient in a background sunset ... But it's
pretty darn often that such gradients are found behind a backlit subject
(and no fill flash).
I would finish my own argument by stating the side-effects of tonal moves
in 8bit space can be demonstrated. If you are going to qualify my statement
with "big moves only", then you should give us all a break for drawing the
line where we believe it is important.
Cheerios ... michael shaffer :o)
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