Re: [APML] fim scanner problem

["Ray Kilburn" <AuroraCEA@earthlink.net>]

Probably needs to be calibrated.  Most scanners require somekind of
calibration sheet or film (usually black with distinctive white areas) so
that it can get the correct gamma range.   Does yours have a calibration
mode?

*****************************************
Ray Kilburn
Culpeper, VA
USA
----- Original Message -----
From: "Fabrizio Montauti" <fmontauti@pointredtech.com>
To: "astro-photo mailing list" <astro-photo@seds.org>
Sent: Wednesday, October 03, 2001 6:28 PM
Subject: RE: [APML] fim scanner problem


> I opened the scanner last night and cleaned the glasses (matting and
mirror)
> but i do not know how to clean the sensors. Is it enough to blow air on
> them? After cleaning the glasses i tried to scan again but the problem was
> still there. The vertical stripes are evident when i try to reduce the
> brightness in photoshop and if i set actual pixels in the window command
> they are very evident and cover the picture itself. Could it be a bad
> Scanner? Mine is pretty cheap for a film scanner.
> Fabrizio
>
> -----Original Message-----
> From: Matt BenDaniel [mailto:matt@starmatt.com]
> Sent: Tuesday, October 02, 2001 1:39 PM
> To: Fabrizio Montauti
> Subject: Re: [APML] fim scanner problem
>
>
>
>
> Fabrizio Montauti wrote:
> >
> > Thanks,
> > could it be dust on the film as well?
>
> No. You would see dust in the scans. With vertical bands, it would have
> to be dust on the sensors.
>
>
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