[filmscanners] RE: SS4000 "blown out" yellows and no blue information; where is my problem?

["" <snsok@cox.net>]

Yes, I am using the Polacolor Insight. I have VueScan (an older version)
which I will try on this transparency. Overall, I have found Insight to give
me better results in terms of color accuracy.

Stan

-----Original Message-----
From: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk]On Behalf Of Frank Paris
Sent: Saturday, July 05, 2003 4:18 PM
To: snsok@cox.net
Subject: [filmscanners] RE: SS4000 "blown out" yellows and no blue
information; where is my problem?


You didn't mention what software you are using to scan. This always
happened to me with Polaroid Polacolor Insight software, never with
VueScan.

Frank Paris
frankparis@comcast.net

> -----Original Message-----
> From: filmscanners_owner@halftone.co.uk
> [mailto:filmscanners_owner@halftone.co.uk] On Behalf Of snsok@cox.net
> Sent: Saturday, July 05, 2003 10:47 AM
> To: frankparis@comcast.net
> Subject: [filmscanners] SS4000 "blown out" yellows and no
> blue information; where is my problem?
>
>
> I posted this problem a while back but don't think I
> illustrated it well enough. I am consistently getting yellows
> with no detail on my wildflower shots. I thought it had to do
> with shooting bright yellows in sunlight but it's occurring
> in photos made in partial shade as well.
>
> I am using a Polaroid SS4000 (not Plus) with Photoshop 7 in a
> Win2K system. The film used here is Kodak Elite Extra Color.
> Color space is Adobe 98.
>
> Here is an example:
>
www.tallgrassimages.com/test/yellowclipping.htm

This is not the sharpest of photographs but I believe Ican see  more
detail in the flowers using the 20X loupe on the transparency. This is
not a monitor gamut problem as the flowers print on my Epson 2200 just
as they look--no detail.

The RGB color values within the yellow flower show a consistent blue
value of 2 throughout the flower; I presume that's why I see the spike
in the blue histogram. Indeed, when looking at the blue channel, the
flowers are just black.

As the weak color provides the contrast and detail, I presume also that
the problem here is that the blues in the flowers are either not
registering well on the film, or not being captured in the scan, or
out-of-gamut, or I am not handling the image properly in Photoshop. Is
this an engine or an engineer problem?



Stan Schwartz



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