Digital BW, The Print

Then, if these are just proof scans, have you checked those same setting as
a tif or dng? I don't worry about JPEG image files so much. But I am a
little confused, you mention jpeg for proofing at a much lower res too. Are
you using both and just noticing the problem with the higher res settin?

-----Original Message-----
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Lew
Schwartz
Sent: Sunday, August 07, 2011 2:39 PM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] Grain/aliasing, CoolScan 5000 and VueScan

Scanning at 4000 dpi for a 35mm neg takes about 10 - 15 min using the
settings I like. Not practical for a 36 exp roll when a single shoot may
involve upwards of 4 rolls, so what I do is to proof everything at a very
low res into jpgs ... easy to store, share, etc... but not great for serious
prints.

On Sun, Aug 7, 2011 at 2:57 PM, Eric Neilsen <e.neilsen2@...> wrote:

> **
>
>
> Lew, Why scan to JPEG? That was the biggest question of your posting to
me.
>
>
> _____
>
> From: DigitalBlackandWhiteThePrint@yahoogroups.com
> [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Lew
> Schwartz
> Sent: Sunday, August 07, 2011 8:11 AM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
>
> Subject: [Digital BW] Grain/aliasing, CoolScan 5000 and VueScan
>
> I have an increasingly annoying problem in that what appears to be grain
in
> my scans is worse at higher dpi's than it is in the quicky 500 dpi 8 bit
> scans I do as proofs. This is for traditional, 35mm, bw film coming out of
> my darkroom.
>
> From what I've been able to read on the net, this may be due to aliasing &
> not the actual grain in the film (It's much worse than I'd see in a
> traditional, gs print.). Contrary to what I've read, however, it is not a
> matter of threshold iso/grain size issues, rather it's a continuum,
getting
> progressively worse as iso/grain increases. It may not be readily
> noticeable
> at lower iso's, but close inspection reveals it to be there.
>
> Here are what I believe to be the pertinent the settings I use in Vuescan
> for my, hopefully, best scans:
>
> Media: B/W negative
> Bits/pixel 16 bit gray
> Resolution: 4000 dpi
> Number of samples: 8
> Fine mode: Yes (checked)
> Multi Exposure: Yes (checked)
>
> I've been playing, unsuccessfully, with checking/unchecking, no of samples
> etc... Medium size jpg's seem to produce better scans than the maxed out
> settings above, but of course, they won't work for larger prints going
> forward.
>
> [Non-text portions of this message have been removed]
>
> [Non-text portions of this message have been removed]
>
>  
>


[Non-text portions of this message have been removed]



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