[sane-devel] Epson V500 Gray negative scan problem

Olaf Meeuwissen olaf.meeuwissen at avasys.jp
Tue Apr 24 23:43:40 UTC 2012

Drasko DRASKOVIC <drasko.draskovic at gmail.com> writes:

> [snip]
>>> Can this be used :
>>> http://www.xsane.org/doc/sane-xsane-setup-enhancement-doc.html
>>> or these setting should be used only for lineart (i.e. commic scans)
>>> and not for film negative scans ?
>> That would give you a black and white (without any gray) image.  I don't
>> think that's what you're after.
> Yes, I supposed that, but I was not really sure. As I see, these
> settings are more for comic strip scan, for example. I was just
> searching setting for negative scan, to see if I can improve scan
> quality.
> However, here is what I discovered yesterday evening during few hours
> of experimentation :
> 1) Scanning film negatives in Gray gives bad quality (like bad
> resolution/small bit depth). Looks bad in the Preview and in the Scan.
> 2) Turning on "Media definition"
> (http://www.xsane.org/doc/sane-xsane-medium-definition-doc.html) to
> change the setting give orange-reddish preview. Why? Why not just
> gray?

I'd guess that it scans the negatives in color and just displays the
image data obtained.

As for all your other questions, I know much too little about XSane to
answer so I'll leave that to more knowledgeable folks on the list.

Hope this helps,
Olaf Meeuwissen, LPIC-2           FLOSS Engineer -- AVASYS CORPORATION
FSF Associate Member #1962               Help support software freedom

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