Archived posting to the Leica Users Group, 2002/03/09

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Subject: Re: [Leica] 400 B&W
From: John Collier <jbcollier@powersurfr.com>
Date: Sat, 09 Mar 2002 22:41:17 -0700

No, it is definitely a hardware problem. Your 4000 dpi scanner is probably
why you are not having many problems. My 2800 dpi scanner hates my Ti-X
film. The only solutions are to buy a 4000 dpi scanner, shoot slow film or
manually shift the scanner slightly out of focus.

John Collier

> From: Rolfe Tessem <rolfe@ldp.com>
> 
> I think the grain aliasing issue is more about the software than it is
> an issue with the film or even with the scanner hardware.
> 
> I use a Nikon LS-4000 and have yet to see this phenomenon, although I've
> certainly seen a number of references to it on the web and elsewhere.
> Having said that, I certainly haven't exhautively tested every B&W
> emulsion to see how it scans (I'll leave that to Erwin); I've scanned
> Tri-X, Delta 400 (new) and Efke 25 and have never seen anything I would
> call grain aliasing.
> 
> My guess (and it is only that) is that what we are really dealing with
> here is immature scanning software. The masses scan primarily color
> reversal and negative so that is what the software is optimized for. As
> time goes on, I'd bet that B&W negative will be better supported.
> 
> It is already better for me with Vuescan than Nikon Scan, although I'm
> aware that lots of people dislike Vuescan for its workflow issues.
> Nonetheless, you can't argue with results and Vuescan consistently
> delivers better scans than Nikon Scan for me, especially when scanning
> traditional B&W negative material.

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