Search found 3 matches

by JJFOTO
Sat May 01, 2010 11:40 am
Forum: The Digitaltruth Forum
Topic: LED bulb in enlarger
Replies: 1
Views: 11874

LED bulb in enlarger

I am thinking about installing a new E27 230 V AC LED bulb (about 500 lumen) in my Leitz Focomat IIc enlarger. The colour temperature is 5000 K. Does anybody have experience with the new bulb technology? I guess that is could be an advantage to have a higher colour temperature instead of the about 2...
by JJFOTO
Fri Oct 23, 2009 9:45 am
Forum: The Digitaltruth Forum
Topic: Paper developer without hydrochinon
Replies: 7
Views: 20392

Re: Paper developer without hydrochinon

Hello Keith Thank you for the input. Due to restrictions (cancer risk) it is becomming more difficult to get hydrochinon here in Denmark. But I know that this chemical has been substituted by other chemicals (C-vitamine), so that is why I am interested. I am going to try Ansco 120 formula, it seems ...
by JJFOTO
Fri Oct 23, 2009 2:21 am
Forum: The Digitaltruth Forum
Topic: Paper developer without hydrochinon
Replies: 7
Views: 20392

Paper developer without hydrochinon

I want to mix my own hydrochinon-free paper developer.

Does anybody have the recipee?

JJFOTO
Jorgen Jensen
Denmark

www.jjfoto.dk
jj@jjfoto.dk