# Re: Which scanners REALLY provide 36 bit output? HP?

From: Nick Lamb (njl98r@ecs.soton.ac.uk)
Date: Thu Dec 07 2000 - 21:07:46 PST

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  On Thu, Dec 07, 2000 at 10:56:29PM -0500, Jeffrey H. Ingber wrote:
  > I just fired up xscanimage and noticed that the "bit depth" option in
  > "Advanced Properties" only contains "8, 10, and 12" for the selection?

  SANE counts bitdepth per-sample (ie Red, Green, Blue) so this is what
  the original poster wanted, hardware that outputs 12 x 3 = 36 bpp

  Note that SANE can't guarantee where the manufacturer got those extra
  bits from. You can only hope that their sensors and optics are giving
  you real data rather than noise, especially in the last bits.

  Nick.

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