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Paper Chase - The Permajet papers - part 3 of 1 2 3 4 5 6

by Mike McNamee Published 01/02/2005

The descriptive tone colour is tabled with the other properties. It is quite hard to define this parameter and we resorted to plotting the tones from the spectrophotometer. This grouped the base tones into the creams at one end of the warmth scale , through the neutral point to the cool, artificially brightened blues of the microporous gloss and lustre finishes. The optical brightening activity of each sample varied according to its base fibre mix and coating.The Gloss,Oyster and Matt Plus are heavily brightened and show a lift of about 10% at the 400nm wavelength as well as high fluorescence in the uv booth. The other papers lie between this extreme and the optically dead Alpha and Artist Classic papers. Examining the backs of the media suggests that some of the base mix consists of reconstituted fibre, a common practice to save high value cotton rag substrate. Parchment stands out from the crowd in that the reflectance lift is quite low but the OBA activity seems higher. This may also point to the general sparkle of prints made on this surface, which has a great following. These deliberations are really only for those who are fanatical about their substrate purity, most ordinary mortals can just get on with it, there are no poor papers in the art group.

The DigitalPhoto Series

This consists of Gloss 271,Oyster 271,Matt Plus 240, Double Sided Lustre 285 and Matt Proofing 160.The Gloss,Oyster and Double Sided Lustre are all microporous coating technology producing instant drying and compatibility with pigment ink sets. In terms of colour fidelity that the media is capable of holding, when profiled (with an Epson Ultrachrome ink set) the Oyster came out marginally on top, with the Gloss and DS Lustre quite close behind. Both the Matt Plus and the Proofing Paper are statistical outliers from the general data population (including the art papers) with significantly higher average errors. It is a combination of the reduction in gamut volume and the lack of deepest black density, which drags their performance down but good looking, neutral prints were made in spite of the lesser statistics. However, the Matt Proofing should be regarded for what it is, an inexpensive, light media for test prints and proofing. Keep that in mind and you will not go far wrong with it, we use it exclusively for proofing Professional Imagemaker.

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1st Published 01/02/2005
last update 09/12/2022 14:57:36

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