Re: UV Enlarger

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From: Halvor (halvorb@mac.com)
Date: 04/10/03-09:24:50 AM Z


on 10-04-03 23:26, Ed Stander at glassact@compuserve.com wrote:

> El-nikkor lenses pass a lot of UV. It's been a while since I ran the
> tests, but I believe they pass 60 % of light (or more) at 330nm. I'll
> check it again next week if anyone is interested.
>

eh.. any chance of checking a Rodenstock ? ( How do you check this / what
kind of equipment can measure uv light ? might be that it is somewhere in a
dark corner of my school)

> I have produced enlarged cyanotypes using a 5000 watt olec UV lamp
> mounted atop my 8x10 Saltzman. I've never tried platinum or gum, though
> it's on my list of things to do. Hope this helps - Ed

what was printing time versus size ?

Halvor


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