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Photography > Dark Rooms > Re: DIY light s...
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Re: DIY light source for 10X10" enlarger.

by Peter Chant <REMpeteOVE@[EMAIL PROTECTED] > Apr 10, 2008 at 06:30 PM

Thor Lancelot Simon wrote:

> "White" LEDs don't have a color temperature; they are not blackbody
light
> sources.  You're going to have the same problems you would with a
> fluorescent lamp, color-wise...
> 

I did see an article somewhere for an enlarger head using LED's but a mix
of
I think blue and green were used*, their output or exposure times were
variable to give a multigrade head.

*Seems an odd choice to me but the chap knows more than I do.

Pete

-- 
http://www.petezilla.co.uk
 




 62 Posts in Topic:
DIY light source for 10X10" enlarger.
"jjs" <nobod  2008-04-09 11:23:53 
Re: DIY light source for 10X10" enlarger.
tls@[EMAIL PROTECTED] (T  2008-04-09 16:28:05 
Re: DIY light source for 10X10" enlarger.
"jjs" <nobod  2008-04-09 12:11:47 
Re: DIY light source for 10X10" enlarger.
gsm@[EMAIL PROTECTED] (G  2008-04-09 17:19:02 
Re: DIY light source for 10X10" enlarger.
David Nebenzahl <nobod  2008-04-09 10:43:19 
Re: DIY light source for 10X10" enlarger.
David Nebenzahl <nobod  2008-04-09 10:20:28 
Re: DIY light source for 10X10" enlarger.
"Ken Hart" <  2008-04-09 19:33:18 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-09 15:52:25 
Re: DIY light source for 10X10" enlarger.
gsm@[EMAIL PROTECTED] (G  2008-04-10 06:34:00 
Re: DIY light source for 10X10" enlarger.
tls@[EMAIL PROTECTED] (T  2008-04-10 07:42:26 
Re: DIY light source for 10X10" enlarger.
Peter Chant <REMpeteOV  2008-04-10 18:30:05 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 14:04:19 
Re: DIY light source for 10X10" enlarger.
gsm@[EMAIL PROTECTED] (G  2008-04-10 18:24:02 
Re: DIY light source for 10X10" enlarger.
Peter Chant <REMpeteOV  2008-04-11 00:51:18 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-10 16:42:13 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 17:58:11 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-10 17:15:22 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 18:41:01 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-10 18:53:44 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 23:14:33 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-11 00:23:54 
Re: DIY light source for 10X10" enlarger.
David Nebenzahl <nobod  2008-04-10 21:35:38 
Re: DIY light source for 10X10" enlarger.
"Ken Hart" <  2008-04-11 17:59:22 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-11 15:09:09 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-11 15:14:31 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-12 11:04:04 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-10 19:58:45 
Re: DIY light source for 10X10" enlarger.
"Ken Hart" <  2008-04-10 22:32:39 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 18:50:00 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-10 18:49:23 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 20:04:11 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-10 18:44:24 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 19:51:40 
Re: DIY light source for 10X10" enlarger.
Peter Chant <REMpeteOV  2008-04-11 00:44:36 
Re: DIY light source for 10X10" enlarger.
"Richard Knoppow&quo  2008-04-09 14:20:41 
Re: DIY light source for 10X10" enlarger.
tls@[EMAIL PROTECTED] (T  2008-04-10 07:45:37 
Re: DIY light source for 10X10" enlarger.
"Richard Knoppow&quo  2008-04-10 11:11:16 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 16:53:29 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-10 19:50:28 
Re: DIY light source for 10X10" enlarger.
David Nebenzahl <nobod  2008-04-10 17:34:02 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 23:22:31 
Re: DIY light source for 10X10" enlarger.
jch <jch@[EMAIL PROTEC  2008-04-14 19:40:30 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-14 17:10:14 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-14 18:53:30 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-09 20:36:56 
Re: DIY light source for 10X10" enlarger.
gr <greif1nospam@[EMAI  2008-04-09 23:19:01 
Re: DIY light source for 10X10" enlarger.
"Richard Knoppow&quo  2008-04-10 11:14:03 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-10 17:43:24 
Re: DIY light source for 10X10" enlarger.
"John" <john  2008-04-11 23:24:23 
Re: DIY light source for 10X10" enlarger.
Stefan Patric <tootek2  2008-04-10 18:06:55 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-10 19:51:35 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-11 15:18:45 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-11 18:08:13 
Re: DIY light source for 10X10" enlarger.
David Kazdan <dxk10@[E  2008-04-12 21:30:35 
Re: DIY light source for 10X10" enlarger.
____ <internetphobic@[  2008-04-12 19:45:10 
Re: DIY light source for 10X10" enlarger.
"Nicholas O. Lindan&  2008-04-12 20:43:54 
Re: DIY light source for 10X10" enlarger.
"John" <john  2008-04-12 21:47:35 
Re: DIY light source for 10X10" enlarger.
David Kazdan <dxk10@[E  2008-04-13 10:07:18 
Re: DIY light source for 10X10" enlarger.
Stefan Patric <tootek2  2008-04-10 18:24:02 
Re: DIY light source for 10X10" enlarger.
"jjs" <jjs.j  2008-04-10 16:33:45 
Re: DIY light source for 10X10" enlarger.
Stefan Patric <tootek2  2008-04-11 23:46:40 
Re: DIY light source for 10X10" enlarger.
Stefan Patric <tootek2  2008-04-12 01:22:28 

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