Al foil sounds good to me. I will give it a try. Thanks for the feedback! JT
-- Judy Rowe Taylor Mukilteo, WA Art is a voice of the heart, a song of the soul. www.enduringibis.com jude.taylor@comcast.net or judyrowetaylor@enduringibis.com > > ----- Original Message ----- > From: <jude.taylor@comcast.net> > To: "Richard Knoppow" <dickburk@ix.netcom.com>; > <alt-photo-process-l@sask.usask.ca> > Sent: Monday, August 01, 2005 2:48 PM > Subject: Re: update: screw-in BLB light-box > > > > Richard, > > > > I did not use any reflectors, but that is a possibility > > that might help. The top of the box INSIDE above the > > bulbs is all white and should, as far as I can figure, > > reflect rather than absorb the UV. There are, however, > > several inches of space from the tip of the coil to the > > base of the ceramic sockets (top of box), and the sides > > of the box were not painted white or lined with reflective > > material. > > > > Hummmh! I wonder if silver / white "tea chest" paper > > lining would work? > > > > -- > > Judy Rowe Taylor > > Mukilteo, WA > > Art is a voice of the heart, a song of the soul. > > www.enduringibis.com > > jude.taylor@comcast.net or judyrowetaylor@enduringibis.com > > > Other than aluminum I don't know what materials are good > UV reflectors. Silver is not. One way to test is to see how > much florescence on gets from the reflected light. Near UV > will fluoresce the brighteners in ordinary writing paper. A > lot of materials that are good visible light reflectors > don't do will with UV. Aluminum foil from the grocery is a > good UV reflector, I suppose you could cement it to > something else which was the right shape. > It just seems to me that compact florescent lamps are > intended to radiate most of their light in a horizontal > circle so using one side or the top as a source is probably > wasting most of the light output. > > --- > Richard Knoppow > Los Angeles, CA, USA > dickburk@ix.netcom.com > >Received on Fri Aug 5 12:17:10 2005
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