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Re: [OM] IMGS: Speckles

Subject: Re: [OM] IMGS: Speckles
From: Tina Manley <tmanley@xxxxxxxxx>
Date: Sun, 10 Dec 2017 17:30:08 -0500
Well, that's something new to me!  I've never heard of pepper grain.  I'm
glad I don't have many like that so I'm not worrying about it right now,
but I may try the digital camera scan route on those.

Thanks, Ken.

Tina

On Sun, Dec 10, 2017 at 5:04 PM, Ken Norton <ken@xxxxxxxxxxx> wrote:

> That looks like "pepper grain". It was more common with Provia than
> Velvia, but would occur in both. From what I've been able to
> determine, it's caused by surface refraction in the surface of the
> film. Fujifilm essentially "frosted" the surface of Velvia and Provia
> to help the highlights. With a diffuse light source, there are no
> artifacts. With a pinpoint or columnated light source, the light would
> refract away from the direction of the scanner's sensor resulting in
> black dots.
>
> AG Schnozz
>
> On Sun, Dec 10, 2017 at 11:37 AM, Tina Manley <tmanley@xxxxxxxxx> wrote:
> > PESO:
> >
> > I'm still scanning slides of Italy.  Most of the film has been Provia
> which
> > seems to scan fine, but I've run into a series where I used Velvia.  That
> > shows lots of speckles in the film.  I used Vuescan's infrared noise
> > removal when I scanned it and I've tried both Neat Image and Define in
> > Photoshop.  Nothing touches these speckles.  Here is an example:
> >
> > http://www.pbase.com/image/166696968
> >
> > Enlarged detail from the top left corner:
> >
> > http://www.pbase.com/tinamanley/image/166696969
> >
> > Any suggestions on how to get rid of speckles?
> >
> > Tina
> >
> > --
> > Tina Manley
> > www.tinamanley.com
> > tina-manley.artistwebsites.com
> > http://www.alamy.com/stock-photography/3B49552F-90A0-
> 4D0A-A11D-2175C937AA91/Tina+Manley.html
> > --
> > _________________________________________________________________
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>
>
>
> --
> Ken Norton
> ken@xxxxxxxxxxx
> http://www.zone-10.com
> --
> _________________________________________________________________
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>
>


-- 
Tina Manley
www.tinamanley.com
tina-manley.artistwebsites.com
http://www.alamy.com/stock-photography/3B49552F-90A0-4D0A-A11D-2175C937AA91/Tina+Manley.html
-- 
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