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Re: [OM] [OT] Two questions about the English language

Subject: Re: [OM] [OT] Two questions about the English language
From: "John Pendley" <jpendley@xxxxxxx>
Date: Mon, 6 Aug 2001 13:23:20 -0400
a
> camera's
> > diaphragm (i.e. aperture),

And I'd always thought that the "diaphragm" referred to the mechanical
device made up of the shutter blades, while "aperture" is the opening
expressed in f-stops.  Just looked it up in my American Heritage Dictionary:
"1. Anatomy: a muscular membranous partition....  2. Any similar membranous
part that divides....  3. A thin disk....  5. Optics.  A disk having a fixed
or variable opening...."
JP


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