Digital BW, The Print

David,

I see a significant difference in metamerism between ABW and printing with
IP on a 4800 with this image.

http://www.northlight-images.co.uk/article_pages/black_and_white_test.html

All due to IP using less colour.

I scanned a couple of samples and the images are here
http://photographymusings.blogspot.com/2006_10_01_archive.html
Bottom of the page, click on the image to see higher res version.

Mike


On 13/01/07, CDTobie@... <CDTobie@...> wrote:
>
>
> In a message dated 1/13/07 4:00:34 PM, paul.roark@...<paul.roark%40verizon.net>writes:
>
> > There is excess color in the K3 ABW mode print that will affect fade
> > resistance.  Have you tried taking the prints under differing lighting
> to
> > compare metamerism?
> >
>
> Excess color on an absolute basis, still a tiny fraction of the color ink
> previous generation printers used in grays... as for visible metamerism;
> try as I
> might I can't see any difference between color mode metamerism, AWB
> metamerism, and gray inkset metamerism. Theory seems to exceed reality on
> these
> concerns.
>
> C. David Tobie
> Product Technology Manager
> ColorVision Business Division
> DataColor Inc.
> CDTobie@... <CDTobie%40colorvision.com>
> www.colorvision.com
>
> [Non-text portions of this message have been removed]
>
> 
>


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