note: I posted this on the archival color group, but then thought that this group might have some insight since I am using black and white images... I am making toned prints from black and white negatives using the MIS archival inkset and substituting the extended Y ink because of the increased fade resistance. I use either photo rag or EHM. For the most part, no metamerism when using blue or green tones, however, when I do sepia, there is a pronounced green shift under north window light. My technique for toning is one of the standard ways to tone black and white in RGB mode...that is to add a new layer and fill it with a color, then change from normal to color or hard light or color burn and reduce the opacity in the color layer until I get what I want. I suspect that the culprit is the yellow ink. Has anyone used both MIS pigment Y inks, regular or extended and noticed if one is more prone to metamerism? Additionally, has anyone using a 2200 / 7600 / 9600 with the Ultrachromes tried this technique and could pass any information on as to whether they have metamerism problems or not? I may have to give up inkjet for this project and go to Lightjet 5000 with the crystal raster paper If I can't find an inkjet set that works... Only other thing I can think of is to use the MIS-VM inks to get the sepia, however, some of the layer techniques wouldn't work without cmyk inks... Bill Agee -- bill agee studio capistrano beach, ca / laguna beach, ca http://www.redsilver.com
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metamerism problem
2002-10-08 by Bill Agee
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