Re: Flashbulbs

Article View: sci.electronics

Article #20453

#20453

From: Mike Borza
Date: Thu, 19 Jan 1989 20:59

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In article <9844@sequent.UUCP> brian@crg1.UUCP (Brian Godfrey) writes:
>   There are three basic syncing problems: electronic flash, bulbs & leaf
>shutters, and bulbs & focal plane shutters.
>   Electronic flash is extremely fast, ranging generally from 1/5000 to
>1/25000. With electronic flash you have to make sure and wait until the
>shutter is all the way open before triggering the flash. This takes from
>1/250 sec on some cameras to 1/60 sec on others. The actual exposure 
>happens very quickly. Then the shutter closes at its leisurely pace.

Pardon my ignorance, but... doesn't this mean that shutter speed is
essentially irrelevant for a flash picture taken using an electronic
flash?  If so, how does one control the exposure?

(sci.photography what?)

mike borza   <nusip@maccs.uucp>

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Path: arc1-ca.pugleaf.net!utzoo!yunexus!maccs!nusip
From: nusip@maccs.McMaster.CA (Mike Borza)
Newsgroups: sci.electronics,rec.photo
Subject: Re: Flashbulbs
Message-ID: <1818@maccs.McMaster.CA>
Date: 19 Jan 89 20:59:31 GMT
Article-I.D.: maccs.1818
References: <9844@sequent.UUCP>
Reply-To: nusip@maccs.UUCP (Mike Borza)
Organization: McMaster U., Hamilton, Ont., Can.
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