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[OM] Re: SLIDE DUPLICATING - 5000ºK LIGHTBOXES with OLYMPUS E-1

Subject: [OM] Re: SLIDE DUPLICATING - 5000ºK LIGHTBOXES with OLYMPUS E-1
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Tue, 28 Aug 2007 08:46:46 +1000




> David Irisarri <div2000@xxxxxxxxxxxxxxxxx> wrote:
> 
> The lightbox with the best uniform light is the small slimlite 
> #2420-2422.
> The tubes inside are about 5000K, but i have no measured values about
> their color spectrum if they have peaks in it. The prolite basic boxes 

This is a very key piece of information, the reason why most stuff looks 
"different" under fluorescent than daylight, tungsten, electronic flash.  If 
the colour spectrum of the light has peaks (or troughs) then you are wasting 
your time using it for any calibration exercise.

...Wayne

Wayne Harridge

http://lrh.structuregraphs.com

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