[argyllcms] Re: Tests with DTP92 on video-projector
- From: Frédéric <frederic.mantegazza@xxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 6 Apr 2006 17:36:24 +0200
On Jeudi 06 Avril 2006 12:32, Graeme Gill wrote:
> > What are the maximum XYZ values a colorimeter can return ?
>
> The DTP is rated up to 500cd/m^2 (that's the Y value).
L value in Lab space also give luminance, so L=100 means 500cd/m2 ?
> > Good idea. I will try to do that. The 'neutral' diffuser could be the
> > hard point...
>
> I was thinking some tracing paper or something similar would do
> for a start. Some white translucent acrylic sheet is what's generally
> used for such purpose.
Someone suggested to use a lens, and blur it with glass paper. This way,
focusing and diffuser could be the same stuff...
--
Frédéric
http://www.gbiloba.org
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