Digital BW, The Print

On 4/13/05 7:11 PM, "Scott Graham" <gebilwil@...> typed:

> 
> In Harald Johnson's book the shortest Epson paper lifetime with UC inks is 71
> years framed
> under glass. Unframed it is 48 years. These are for the photo papers with some
> gloss/
> luster/semimatte.
> 
> If you are talking B&W using all 7 ink colors the lifetimes are much longer.
> 
> 
> You could get the Epson paper sample book and compare?
> 
> they only make a very few lusters and they are probably different thicknesses?
> measure
> thickness and compare to specs on Epson's website?
> 
> These days the ink is less likely to limit the longevity than the paper,
> though  of course
> there are exceptions to everything.
> 
> 
> Scott
> 
> 
> 
> Except that its not as if Herald had a little thing which looks like a
> microwave oven but is/was really a time machine.
>     As far as I know the way they test for time is to use banks of UV lamps.
> I¹ve just never thought of florescent light equaling time.
> I really think they are different phenomena.
> Oh did Einstein say they were the same?
> Or Rod Sterling?!
> What about that train going to the moon? Or that WWII fighter that comes out
> of a cloud and lands in the year 1968?
> 
> I just think there is just no way you can reproduce what's going to happen to
> a sheet of paper in 71 years without waiting 71 years.
> It just has to sit there.
> Be bombarded by bionic rays or whatever.
>    ... the slings and arrows of insidious fortune....
> 
> I think claims for time tests for the future be taken with a large grain of
> salt.
> especially from the manufactures.
> 
> In the meantime we just have to do our best with logic and common sense.
> 




Mark Rabiner
Photography
Portland Oregon
http://rabinergroup.com/





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