RE: UV Box Heat Fogging?

From: Eric Neilsen ^lt;>
Date: 11/22/05-12:51:39 PM Z
Message-id: <000c01c5ef95$c8285860$19e64a0c@D6RJ5R41>

It helps to identify your process including amounts of, paper, developer,

Eric Neilsen Photography
4101 Commerce Street, Suite 9
Dallas, TX 75226
> -----Original Message-----
> From: Michael Koch-Schulte []
> Sent: Tuesday, November 22, 2005 11:05 AM
> To:
> Subject: UV Box Heat Fogging?
> Does anyone (else) experience what I think is heat fogging
> during UV
> exposure. I'm using an eepjon like box with GE BL tubes 15/20s.
> I was doing
> some max density tests on a new step wedge and started to
> double and triple
> my exposure to see how effective my negative was at blocking UV
> when I
> started to notice two things. The first was edge bleed on
> squares which
> should have printed clean. The second was a general fogging
> toward my
> densest squares, or so I think. It could also be the color
> ranges I've
> selected are not providing enough contrast and therefore I'm
> just not able
> to clearly define white. The thought occurred to me that once
> the emulsion
> starts sitting in the oven for 24 minutes instead of say six
> perhaps heat
> becomes an issue. Thx.
> ~m
Received on Tue Nov 22 12:51:53 2005

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