[b]How to avoid grain aliasing while scanning negatives?[/b]

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grischa
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Posts: 19
Joined: Wed Jan 09, 2002 1:00 am
Location: Hong Kong
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[b]How to avoid grain aliasing while scanning negatives?[/b]

Postby grischa » Thu Aug 29, 2002 5:14 am

Despite all the good improvements since SF 5.5’s Negafix feature it’s still frustrating to see that scanned color negs. don’t compare to the quality of a lab print.
The major problem for grainy negative scans seems to be the grain aliasing effect.
So far I achieved better results scanning at a higher resolution (4000dpi) and using descreening values similar to my scan resolution in combination with very moderate settings for the USM tool.
Scanning at 8000dpi did not necessarily seem to get better results. I kept the file size down by scaling the image size to smaller than 100% values. Btw for some reason the SF5.5 descreening tool does not allow higher settings other than 4000. :roll:
I’m actually using an LS-8000. Drum scanners apparently don’t do a better job either when it comes to negs.
Does anybody have different experiences or techniques to get color and b/b negative scans that match the quality of a printed image?
grischa

grischa
SilverFast Beginner
Posts: 19
Joined: Wed Jan 09, 2002 1:00 am
Location: Hong Kong
Contact:

Postby grischa » Thu Aug 29, 2002 5:19 am

sorry for the weird lettering.
all the ’ are actually apostrophes.
There must be a little glitch in the forum software.
:o grischa


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