Xref: utzoo rec.photo:4292 sci.electronics:4793
Newsgroups: rec.photo,sci.electronics
Path: utzoo!utgpu!jarvis.csri.toronto.edu!csri.toronto.edu!hofbauer
From: hofbauer@csri.toronto.edu (John Hofbauer)
Subject: Re: Flashbulbs
Message-ID: <8901202237.AA28017@yorkville.csri.toronto.edu>
Organization: University of Toronto, CSRI
References: <9844@sequent.UUCP> <1818@maccs.McMaster.CA>
Date: Fri, 20 Jan 89 17:37:04 EST

>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?
>
Yup. Exposure is controlled by the aperture selected. It's the old
inverse square law in action.