Re: Ultraviolet projection

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From: Art Chakalis (achakali@gcfn.org)
Date: 12/12/01-05:34:27 PM Z


On Tue, 11 Dec 2001, Luc Novovitch wrote:

> >on a huge old vertical 8x10 enlarger...I had checked out the Fresson
> >site so obviously something like this is being done...JC
>
> John,
> on their site they say :"with a technique made possible by a continuous
> and artificial source of UV radiance, an arc lamp of strong power which
> lights up the negative and the print is directly focussed on the
> pigmented paper by a lenses corrected for the UV spectrum..."

Richard Sullivan visited their lab this fall and I believe he mentioned
that they have done away with the arc and replaced it with a halogen lamp.
The list's archive will have a rather lengthy discussion about the pros
and cons of arc lamps.

Sincerely, Art

Art Chakalis
Columbus, Ohio, USA


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