[filmscanners] RE: Noise in Polaroid SS 4000 scans

["Bernie Kubiak" <bkubiak@attbi.com>]

Take the NPS to a professional lab the next time and I think
you'll notice the difference. 

-----Original Message-----
From: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk] On Behalf Of
Harry@vdKrogt.nl
Sent: Wednesday, June 11, 2003 8:07 PM
To: bkubiak@attbi.com
Subject: [filmscanners] RE: Noise in Polaroid SS 4000 scans

OK, I scanned some negatives Fuji Super G 100 I had. The
scans were more
clear, no comparison with the Fuji NPS, I think. So it must
be the
combination of the Film and development by the lab or the
way the
scanner reacts to the grain in the film, or both. In both
cases I must
look for another 160 ASA film (and I will have other NPS 160
developped
by other labs, and see if that makes a difference).

Thanks for the answers,

Harry


-----Oorspronkelijk bericht-----
Van: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk] Namens Alessandro
Pardi
Verzonden: woensdag 11 juni 2003 11:20
Aan: Harry@vdKrogt.nl
Onderwerp: [filmscanners] RE: Noise in Polaroid SS 4000
scans


Hi Harry,

to rule out the possibility that the problem is the film you
can shoot a
test roll of a good 100ASA film: Kodak Supra, Fuji Reala or
Superia
should all be so far from the grain (assuming it's grain)
you see that
it would be immediately clear whether the problem is in the
film or in
the scanner. In the meantime, a major difference between
noise and grain
is that noise is
random: so if you use the multiple pass option of Vuescan
noise should
be greatly reduced, whereas grain would remain substantially
unchanged.

Alessandro

> -----Original Message-----
> From: Harry@vdKrogt.nl [mailto:Harry@vdKrogt.nl]
> Sent: Wednesday, June 11, 2003 11:11
> To: alessandro.pardi@inferentiadnm.com
> Subject: [filmscanners] RE: Noise in Polaroid SS 4000
scans
>

<snip>

> I am a bit surprised to see that the opinions are so
different, grain
> versus noise. What can I do to make a more definite test?
Make scans
> at 4000 dpi and put them on the page? That would mean even
more
> bandwith.
>
> Harry
>

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