Re: Solux [was Ott-Lite]

Subject: Re: Solux [was Ott-Lite]
From: "Bertho Boman" <email@hidden>
Date: Tue, 17 Feb 2004 18:26:14 -0500

----- Original Message -----
From: "Roger Breton" <email@hidden>

> Once the distance is about 0.5 m from the lamps, the
> illumination looks uniform.

>You mean uniform as in "constant illuminance" or "constant chromaticities"?
> Because, with the seven such bulbs I've tried so far, I am NOT getting
> uniform chromaticities out of these lamps, which is, at very the least,
> quite annoying. I found out it has to do with the design of the blue filter
> used inside the lamp to coat the reflector surface.

I was referring to both. At that distance, the light has spread to reasonably
illuminate an 8 x10 sheet and I do not see any color difference across the area
if I hold a blank white paper in the light. I have not actually measured it and
maybe my eyeballs are not sufficiently calibrated.
Bertho
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References:
	>Re: Solux [was Ott-Lite] (From: Roger Breton <email@hidden>)

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