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Digital BW, The Print

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RE: [Digital BW] UltraChrome Matte Black quad fade test -- 300 hr.

2002-12-11 by Tim Atherton

> I have doubled the light intensity of my fader for future tests.
> It is now
> up to 3100 lumens, using a "Lights of America" compact fluorescent light
> that is said to have the equivalent output of a 100 watt standard light
> bulb.  Perhaps with this new light I'll be able to speed up the process of
> evaluating the new inks.

Not sure how light measurements work... lumens vs lux? (lumens per sq m?) -
anyway, I have a light here with fluorescent tubes that is supposed to give
10,000 lux at 20" distance - how does that compare to what you have there?

tim

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