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[OM] Re: scratch line on digital image

Subject: [OM] Re: scratch line on digital image
From: John Hudson <OM4T@xxxxxxxxxxx>
Date: Wed, 13 Dec 2006 08:41:46 -0400
Does that make the camera a dud or a prized collectible !?

jh

----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Wednesday, 13 December, 2006 08:34 AM
Subject: [OM] Re: scratch line on digital image


> Perhaps yours is the 1 in 10^13 photos that exhibits the 1 in 10^-13 bit
> error rate (or whatever it is) of modern computer electronics.  Could be
> an error in encoding, storage or retrieval.  But keep an eye out for a
> repeat as it could be more sinister.
>
> Chuck Norcutt
>
> John Hudson wrote:
>
> > The attached uncropped photo was taken with available window with a 50mm
/
> > f2 macro lens on an E-500. The shutter speed was 1/80 sec at f4 at 800
ISO.
> >
> > www.JohnHudsonPhoto.com/Temp/JB120335.jpg
> >
> > Starting at the right hand side of the pupil in the child's left eye is
an
> > unmistable one or two pixel wide "scratch" line that extends vertically
down
> > to the bottom of the image.
> >
> > The line comprises pixels that are predominantly more red than the
> > surrounding pixels.
> >
> > The line becomes visible when the image is enlarged to 200% in PhotoShop
and
> > progressively more so as the percentage increases.
> >
> > I cannot find the this phenomenon repeated on any other images taken at
the
> > same or any other time.
> >
> > Can anyone offer a suggestion for the cause of this "scratch" line?
> >
> > John Hudson
> >
> >
> >
> >
> >
> >
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> >
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>
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>
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.409 / Virus Database: 268.15.18/584 - Release Date:
2006-12-12
>
>

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