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From: jordan@ucbarpa.berkeley.edu (Jordan Hayes)
Newsgroups: net.rec.photo
Subject: Re: Zooming during an exposure.
Message-ID: <12319@ucbvax.BERKELEY.EDU>
Date: Mon, 10-Mar-86 21:02:32 EST
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Posted: Mon Mar 10 21:02:32 1986
Date-Received: Wed, 12-Mar-86 05:49:14 EST
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Reply-To: ucbvax!jordan (Jordan Hayes)
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>> During the zoom the effective aperture of this lens changes. My question
>> is if the automatic exposure system will respond to this change by adjusting 
>> the shutter speed DURING THE EXPOSURE

If you're that concerned about an aperture shift (how much of a shift
is there? More than the exposure latitude of the film? More than the
failure of reciprocity on the long exposure? How are you going to
determine the reading anyhow?), do a lot of bracketing. Is there any
other answer?

/jordan