I have tried 8x, there is little difference from 1x in 4000ED, scanner noise
is not as critical as film grain, noise reduction software is the best
solution. I use Neat Image, 100% of the negatives I scanned pass NI, it
improves the grain a lot. You may try Neat Image, it has a free version
which only support JPEG output. Some twisting on the settting is required to
maximize the output quality without affecting the image detail.
C.H.Ling
----- Original Message -----
From: "Fernando Gonzalez Gentile"
>
> Could someone more skilled than myself, explain theory and practice of
> this technique ?
>
> My scanner is a Nikon 4000ED. I used to scan each slide at the maximum
> number of passes the machine is capable of, until I read Ken's post on
> June 2 when he says five passes are more than enough. I don't think I
> will change my habits, though :-)
>
> But there are scans which are problematic, those slides which have
> details in the shadows and careful adjustment of curves and luminosity
> and USM don't seem to resolve accurately. I was thinking about doing
> something like HDR scanning, merging the resulting files using CS3 - but
> I don't know if this makes any sense.
>
> TIA
>
> Fernando.
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