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001549_owner-lightwav…mail.webcom.com_Sat Oct 28 08:18:23 1995.msg
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1995-11-07
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Date: Sat, 28 Oct 1995 11:09:04 -0400 (EDT)
From: Stephen Bowie <ad636@freenet.toronto.on.ca>
Subject: Re: GLOW and FIELD RENDERING QUESTION
To: John Crookshank <johnc@mt-inc.com>
Cc: lightwave@mail.webcom.com
In-Reply-To: <2524.6508T969T687@mt-inc.com>
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On Fri, 27 Oct 1995, John Crookshank wrote:
SNIP
> If your stobe unit has a
> sensor on it, covering the sensor will cause the strobe to output for a
> longer period, since it will assume you are shooting in near darkness. The
> specs on my strobe unit (an ancient Vivitar unit) say it will strobe down
> to 1/2000 second. Yeah, in a well-lit room, it would strobe so fast that I
> could see how a video camera might even miss it altogether if it fired
> during the blanking!
If the technology hasn't changed too much in the last few years, it is
not uncommon for flash units using thyristor circuitry to have a flash
duration as low as 1/30,000 sec. at near distances.
Steve Bowie ad636@torfree.net
North York, Ontario, Canada
(Somewhat Optimistic Company Name Removed out of
Modesty and Respect - for Now! :-)
--
Stephen Bowie <ad636@freenet.toronto.on.ca> sent this message.
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