From: John Cremati (firstname.lastname@example.org)
Date: 12/14/01-10:45:10 PM Z
This info is just great.. I had just read in "Photographic Emulsion
Technique" by T. Baker that dicromated colloids are most sensitive to UV
between 350nm and 420nm. I will definitely move ahead with the project of
building a high output UV enlarger..
----- Original Message -----
From: "Ed Stander" <email@example.com>
Sent: Wednesday, December 12, 2001 6:05 PM
Subject: Re: Ultraviolet projection through El-Nikkor lenses - Real Data
> I put a relatively new El-Nikkor 210 lens in the path of my UV
> spectrophotometer today, and am happy to report that the lens passes
> well all UV radiation above 350 nm. In Comparison, my Fuji 300mm LF lens
> began to cut UV at around 400 nm, and showed strong absorption by 380 nm.
> This makes sense, as plain old plate glass shows similar trends. Cheers,
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