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RE: [OM] f-stops and p-stops

Subject: RE: [OM] f-stops and p-stops
From: "James N. McBride" <jnmcbr@xxxxxxx>
Date: Thu, 15 May 2003 22:50:57 -0600
If that's true then thank God for the f-stop.  /jim

-----Original Message-----
From: owner-olympus@xxxxxxxxxxxxxxx
[mailto:owner-olympus@xxxxxxxxxxxxxxx]On Behalf Of Andrew Gullen
Sent: Thursday, May 15, 2003 7:18 PM
To: olympus@xxxxxxxxxxxxxxx
Subject: Re: [OM] f-stops and p-stops


I thought a p-stop was something you take on a car trip.

Andrew

> Date: Thu, 15 May 2003 01:21:21 -0700
> From: Moose <olymoose@xxxxxxxxxxxxx>
> Subject: Re: 
> 
> OK, the 'f'' f-stop stands for 'focal ratio' and the 't' in t-stop for
> 'transmission', i.e. the actual light that comes through. Where does
> 'p-stop' come from?


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