articles/Paper/halfterm-page4

Paper Chase - Half Term Report - part 4 of 1 2 3 4

by Mike McNamee Published 01/11/2004

We had two profiles with which to measure gamut volume. Profiles are available from the brilliant paper web site at http://www.brilliantpaper.com/brilliantdigital.html. We also had our own. We measured slightly higher than the canned profile at 835,000 typically high for a quality paper and Ultrachrome ink set. Straight away then we could see that there was no compromise to colour quality from this inexpensive product. When profiled the error overall came right on our average for bespoke profiling at 3.40 DE2000.The print also looked very good. The base tone is slightly blue and the paper was a couple of points behind some of the other papers around in base reflectance. There was a slight lift in the spectral response at the blue end of the scale but any optical brighteners (if present at all) were quite unobtrusive. As one would expect our greys were accurately mapped in to the base tone. Overall the print was exactly the correct tone density. With a slightly lower base tone the paper would make a good proofing media for many prepress applications.

Flesh Tones

The flesh tones were a little biased towards magenta and desaturated. However the error was small. The average error in Lab units was 5.7 and it was the rotation towards magenta that was the significant part of the error.

The Grey Tones

The greyscale linearity was excellent, a straight line all the way down to 7% brightness, a Dmax of 2.05.There was no detectable tone cross over in the bias of the greys they were all mapped extremely close to the base tone of the paper. There was a slight warming of the tone in low energy bulb light and the metameric index was a middling 3.8 Lab Delta E.The shadows held detail all the way down to 20RGB points. Overall this was an excellent greyscale image.

Conclusion

This paper range seems well worth investigating, it performs well and is very competitively priced. It is available in A4, A3, A3+ and 24" x 30m rolls. At £89 ex Vat the roll is a good price.

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1st Published 01/11/2004
last update 09/12/2022 14:54:53

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