Hi Greg, One of the biggest problems with LEDs is color. It was only recently that a Japanese scientist invented blue LEDs making 'full' color spectrum possible the most visable results of which are (better) Huge TV images on TimeSqaure and in Los angeles and at sports arenas. But the colors are very specific almost like fluorescents. I haven't seen a really good clean white light but I have a LED flashlight that is very blue in the center and less blue farther out that works as a permanent reading light. (same batteries since Sept!) Color temp on my Minolta meter which is very repeatable and usable but not all that accurate (for instance a true 3200 reads 2900 on the meter) says the center is 10 or 12,000 degrees Kelvin.
I'm guessing with variable contrast papers that until they are made for specific LED colors that VC won't be really feasible.Still I think LEDs will eventually replace fluorescent and incandescnet lighting in most applications. ---William Nettles [EMAIL PROTECTED] Nettles Photo / Imaging Site http://www.wgn.net/~nettles Find out what's happening in Echo Park: [EMAIL PROTECTED] > From: [EMAIL PROTECTED] > Reply-To: [EMAIL PROTECTED] > Date: Mon, 4 Feb 2002 10:17:03 -0700 > To: [EMAIL PROTECTED] > Subject: Cameramakers digest, Vol 1 #327 - 9 msgs > > I am looking at the new high output LEDs for a possible COLD light > source. I think a panel of these would produce cold light that is very > easily controlled. With the right controller and LED combination you > could do contrast control of variable contrast paper. One of the too > many ideas in my head right now. > > Greg Nuspel > > Special Projects - Prototype Machinist > > Global Thermoelectric Inc. > 4908 52nd St. SE > Calgary, AB T2B 3R2 > >> * Phone: (403) 204-6152 >> * Fax: (403) 204-6102 >> * E-mail: [EMAIL PROTECTED] _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
