From: Judy Seigel (jseigel@panix.com)
Date: 08/19/00-11:16:42 AM Z
On Fri, 18 Aug 2000 Jenfieldny@aol.com wrote:
> I think the AQA lights are hard to come by. A company called Voltranics has
> the Voltarc AQA's 24 inch 20 watt bulbs, but they only sell in ridiculous
> high quantities. I am going to use the GE bulbs and deal with the time
> difference. If anyone has other sources or ideas...
> The tanning bed lights might be too closely related to the sunlamps, which
> get too hot for many processes, but I do not know for sure.
> Jill
>
I've used both bulbs (ICP has the AQA) and as far as I can tell (and from
several conversations with the company) the "speed" is little if any
different. I think techy boys (oops, scratch that sexist remark, read
"techy folks") just like the red color of the light (closer to the visible
spectrum at 413 nm so it glows more, looks more lethal, tho it isn't). But
note that all our processes have spikes of sensitivity, all along the
line... And the materials you use in a GIVEN process can also change
sensitivity. The BL bulbs are fine, forgiving, generous, and all-purpose.
If you want REAL speed, look for the high actinics, otherwise save your
energy for getting out the vote, or like that.
Judy
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| Judy Seigel, Editor >
| World Journal of Post-Factory Photography > "HOW-TO and WHY"
| info@post-factory.org >
| <http://rmp.opusis.com/postfactory/postfactory.html>
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