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...

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 ...

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

Does anybody have the recipee?

JJFOTO
Jorgen Jensen
Denmark

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