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[filmscanners] RE: Repeated "Tonal correction", is it god?


  • To: lexa@lexa.ru
  • Subject: [filmscanners] RE: Repeated "Tonal correction", is it god?
  • From: "Nagaraj, Ramesh" <Ramesh.Nagaraj@ca.com>
  • Date: Thu, 13 Mar 2003 14:58:57 -0500
  • Content-class: urn:content-classes:message
  • Thread-index: AcLpl0FX4ef1bfr4SGmpLWING88VlwAAVtZw
  • Thread-topic: [filmscanners] RE: Repeated "Tonal correction", is it god?
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shAf writes ...


> No ... the reason is why you scanned into 16bits.

>  Again no ... assuming 16bits again.  If 8bit channels, then yes, you'd
>want to get all tonal adjustments correct (as possible) with the scan
>software.  However, I doubt anyone will notice a minor post-scan adj't with
>PS.

I am not able to clearly understand how that is related  to bits/channel. 
Could you please explain this?

Are you implying the following..
Because there is no extra to data to play with in case of 8bit/channel, its 
good to do pre-scanning correction.
In case of 16bit/channel, there will be more data, so we can afford to waste 
data during post-scan correction; thus no need to do pre-scan adjustments.

Thanks
Ramesh



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