Digital BW, The Print

OK, well I was only trying to help. Didn't you say you weren't getting
accurate results? Now are you REALLY trying to say that you shouldn't
profile your scanner? If you are,  I suggest a quick course in Bruce
Fraser's Real World Colour Management. But if you aren't profiling and like
your results that is ok too.

Julian



----- Original Message ----- 
From: "Stan McQueen" <stan@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Thursday, June 19, 2003 9:21 PM
Subject: Re: [Digital BW] Re: Vuescan Profiles


> At 12:44 PM 6/19/2003, Julian wrote:
> >f you scan 'image' the scanner MUST be profiled using an IT8 target (or
> >similar ) on the slide stock you are using. Otherwise the scanner has no
> >benchmark  to convert the numbers it reads. It is basically
uncalibrated -
> >although I guess Austin will give you the technicalities. Scanning
'image'
> >in BW gives you great data - this is what I do. But a scanner isn't
> >intelligent - it is just a tool that transfers data. 'Image' give you the
> >best 'raw' data VS will provide, but you have to calibrate it by building
a
> >profile. Using the slide setting uses canned profiles, better than none,
but
> >not as good as image with IT8. I said you shouldn't use 'slide' as it
didn't
> >sound as if you were profiling the scanner.
> >
> >Julian
>
> Actually you said you shouldn't use "Image." But maybe that was just a
> typo. Anyway, me and my hundreds of slides scanned as "Image" will just
> have to disagree with you. Quoting from the Vuescan user's guide:
> If you choose "Image", no film correction is used, so the cropped file
will
> be comparable to the image on the film. If you choose "Negative film" or
> "Slide film", the cropped image will comparable to the original scene that
> was photographed. When you use either film option, options on the Color
tab
> lets you choose the film manufacturer, the film brand, and the film type
to
> further refine how VueScan processes the result.
> The difference between "Image" and "Slide film" is subtle. If you take a
> picture of the same scene with Kodachrome and Ektachrome film and scan
them
> with the "Slide film" setting, VueScan tries to make the resulting scan
> look the same (i.e. to resemble the original scene). If you use the
"Image"
> setting, the resulting scans will look different and will reflect the
> slightly different color characteristics of Kodachrome and Ektachrome
film.
> If you then took a picture of this same scene with Kodak Gold color
> negative film and scanned it using the "Negative film" setting, the
> resulting scan should look close to the scan you get from using the "Slide
> film" setting and scanning the Kodachrome and Ektachrome slides (i.e. all
> three should look like the original scene).
> Again, I want my scans to look like my slides, not like the original scene
> (see paragraph 2 of the quoted material above). If you use the "Slide
Film"
> setting, Vuescan applies a film profile to convert the image; if you use
> "Image" it does not.
>
> Stan
>
> ================================
> Photography by Stan McQueen
> http://www.smcqueen.com
>
>
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