Re: Cheap 5000K lamps

["J. Arthur Davis" <jarthurdavis@earthlink.net>]

"Probably the best thing to do is build yourself a viewing booth, if you
have the room. You can find what one looks like on the Mcbeth page.
Paint the inside a Munsel 8 Gray. Most paint stores can mix it for you.
This will keep the light off your monitor.

Jim Davis
mailto:jarthurdavis@earthlink.net

Gary L. Hunt" wrote:
> 
> Thanks for the information.  Somehow the more I know the less I
> understand, since this kind of sounds like any of several different
> color temperatures could be used for evaluation of prints, depending
> on what you were evaluating them for.  In my case, I'm trying to
> compare them to the image on my monitor (which I know is never
> going to work perfectly, but it's all I have for comparison.)  The
> problem is further complicated, of course, by the fact that illuminating
> the prints raises the light level around the monitor and makes it
> harder to judge the colors on it.  Is this a lost cause?
> 
> Gary Hunt <glh@srv.net>
> 
> ----------------------------------------------------------------------------
> -------
> At 08:05 AM 12/24/1999 -0500, J. Arthur Davis wrote:
> >Here is some information on the proper viewing lamps for your work.
> >
> > The choice of a specific daylight source and custom fluorescent should
> >be made based on the standard governing your industry or application:
> >
> > Choosing the Right Daylight Source
> >
> >      D75 North Sky Daylight at 7500K is used for visual evaluation of
> >opaque materials as outlined by ASTM D1729.
> >      D65 Average North Sky Daylight at 6500K is used to provide visual
> >correlation with spectrophotometric readings or in conformance with
> >European or Japanese standards.
> >      D50 Noon Sky Daylight at 5000K is used for the evaluation of color
> >quality and uniformity in conformance with ANSI and ISO specifications
> >governing the graphic arts.
> 
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