articles/Paper/lustreduo280-page2
by Mike McNamee Published 01/06/2009
We do not notmally publish the error graphs for landscape data as they become very counfusing. However, the low errors from LustreDuo are such that the pink and blue data points are very close together (closer equals better!).
This was a good guess and we ended up with really first-class error statistics.
For the record the average error in colour was 4.7ΔE Lab/2.38ΔE2000. The Dmax was high at 2.33 (higher for Advanced B&W see next page) and this ensured very high landscape tone accuracy (the test set is quite deeply toned). The greys were accurately mapped to the cool blue base tone (it's about -4 Lab points towards blue) and the metamerism was low at 1.1 ΔE Lab (D65 to Tungsten A at 50% grey). There was slight gloss differential as the Granger Chart shifted from the deep shadows to full black, but nothing unusual.
The good data is replicated across the whole Macbeth test set with an even balance of errors and very accurate greens. The landscape below is an ideal shot to demonstrate the prowess of LustreDuo.
The prints dried quickly. This is important as it determines how fast you can turn the sheet and print on the other side. We tried an instant turn (about 30 seconds) which was a little too quick as there were a couple of marks evident on careful examination. In truth this would not concern the vast majority of users as you will not be making exhibition prints with images both sides. Don't forget when using these double-sided papers that you have to establish your orientation (work-andturn or work-and-tumble as they are known) and that you need to either allow for the printer's margins or ensure that your machine prints centrally on the page. Our experience with using Epson printers in this way suggest that they are really quite accurate. Provided you ensure a millimetre of bleed you should easily be able to make double-sided business cards, for example.
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