Message-Id: <199906021411.HAA26148@dns.ccit.arizona.edu> Date: Wed, 2 Jun 1999 08:49:29 -0500 From: Alan Newman <mailto:anewman@ARTIC.EDU> Subject: Cool lights & Lighting gilted pages To: mailto:IMAGELIB@LISTSERV.ARIZONA.EDU
>Especially the heat of the lamps is causing us headaches:
>from the preservational point of view, a temperature of
>about 22 degrees Celsius is optimal. But tests with the
>lamps I mentioned brought us up to 26-28 degrees.
>Are there any recommendations or experiences with other
>lighting facilities that would meet our goal (daylight
>lamps, no heating, constant light)?
TRY PLUME SCANDLES WHICH ARE NEAR HEAT FREE. http://www.plumeltd.com/scandle.htm
>Also, we have some problems capturing gilted pages.
>This is more a photographical topic, but maybe someone can
>give us some advice how to position the lighting.
>So far, we discovered that because the gilted pages are not
>even and no glasplate can be put upon the valuable material,
>the reflexion of the gold is not easy to handle. Parts of
>the gilt are fine, others are represented on the screen in
>grey or brown colors.
>What are your experiences or tips with this special lighting
>situation?
YOU MUST EITHER LIGHT GILTED PAGE BY WRAPPING THE LENS WITH SOFT BOXES, OR SHOOTING THROUGH A WHITE CARD WHICH REFLECTS DIFFUSE LIGHT EVENLY TO THE GOLD. Thanks, Alan
------------------------------------
Alan Newman, Executive Director Department of Imaging The Art Institute of Chicago 111 S. Michigan Avenue Chicago, IL 60603
tel. 312 443-7247 fax. 312 443-0849
http://www.artic.edu/aic/rights/