Digital BW, The Print

I don't think that's normal, but it's a good case for always scanning in Hi
bit and doing as much as you can there.

I think but am not certain that the next version of photoshop will allow
most everything to be done in Hi bit. Lets hope so.

Jerry



ruhrfoto@... wrote:

> Fellows,
>
> if I open an image file in PS 5.5 or 6.01, which I saved in 8 bit
> grayscale modus before and proced only a little curve tweaking,
> for instance elevating the 3/4 tones by 3% and lowering the 1/4
> tones by 3% in order to get a little more contrast
> (image/adjust/curves) I always heavily destroy my histogram.
> That means multiple levels count zero while others count
> doubled values compared to their neighbours.
> That never happens if I do the same adjustments in a 16 bit
> greyscale file.
> Switching back from 8 bit to 16 bit doesn\ufffdt help.
> Is that normal, or did I miss something.
> Thanks for your advise.
> Bernd
>
> PS
> I use to scan in 16 bit greyscale or 48 bit RGB, but I save my
> "ready to print files" in 8 bit, so if I want to change them later I
> must handle the 8 bit file.
>
>
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