QTR-Quadtone RIP

On 12/02/2011 12:15 AM, piezobw wrote:
> My comments were in regards to the Photo Bright rather than the BW.
> We did not sell BW at InkjetMall. The testing was done on Photo
> Bright. Sorry if I caused any alarm on the BW paper.  My
> understanding is that it does not have the same amount of OBA in it.
>
> We originally were seeking a HPR replacement because HPR was having
> yellowing problems at the time.  OBAs can be a bad thing in
> abundance. Most papers use a little. I'm favoring non-OBA papers
> these days. I never thought I would get used to them - but they're
> really quite lovely and I do not miss the contrast of the bright
> white to the black.
>
> Jon

The ones tested at Aardenburg Imaging and failing:

Breathing Color Optica One 300 gsm Fine Art Paper
PremierArtTM Alise Bright White 200 gsm

However I made a mistake too, the following share identical spectral plots:

Breathing Color Optica One 300 gsm Fine Art Paper
Premier Generations Alise Photo 260 gsm

The Bright White has even more OBA content but all three have plenty of 
OBAs and all in the paper coating only. I would avoid them. More papers 
from both brands show that difference in the paper structure. As written 
Epson has/had some qualities that show similarities, EEM/EAM or whatever 
it is called now and Epson Watercolor Radiant White 190 gsm.

-- 
Met vriendelijke groeten,   Ernst
http://www.pigment-print.com/spectralplots/spectrumviz_1.htm

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