Are you sure you got a photo CD and not a picture CD?
Kenneth Waller
----- Original Message -----
From: "Keith Whaley" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, September 28, 2003 3:39 AM
Subject: Re: OT: Hash marks (was Meow - cat picture)


> Hi Butch.
>
> Finally someone who believes me and has seen the effect before!
>
> Butch Black wrote:
> >
> >  I took a bunch of film (Pentax MG) from my vacation trip to the local
> > > photo shop, and asked for a set of prints plus a Photo CD so I could
put
> > > some online.
> > > Looking closely at the prints, most of them have almost exactly those
> > > background marks, all over it.
>
> I mis-spoke. The marks are on the CD images, not the prints.
>
> > > Who can tell me what causes these marks?
> >
> > Keith, does it look like a blocky mosaic?
>
> Yes it does. That pretty well describes it. I couldn't come up with the
> mental image, but that about does it.
> Not just one shot. All of them had it. The 4x6" prints from the film did
> not have it. The images on the CD did...
> I used Kodak Royal 200 and 400, which is pretty high definition film.
> In fact, I look at some of my images with a 10X Coddington loupe, and
> the film is clean as can be.
>
> > I had problems with a local Wal-Mart's picture CD having a look like
> > blocky mosaic grain.
>
> That may well be the problem. These were like you took a very small rake
> and made very faint, almost square marks across the lower light level
areas.
> I only noticed it when I cranked up the image size a little in my
computer.
>
> > They were
> > using a fairly new Fuji Frontier system. I don't get that effect from
other
> > machines including a Frontier used in a high end minilab, so my guess is
> > that they have something set or adjusted wrong. If there is another lab
that
> > offers CD's in your area try a roll with them. If you don't get the same
> > results then it's the labs fault.
> >
> > Butch
>
> I'll try that!
> Thanks again for identifying the probably cause!
>
> keith whaley
>
>

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