Archived posting to the Leica Users Group, 1999/06/14

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Subject: Re: [Leica] Tri-Elmar and Depth of Field marks
From: "Richard E. Baznik" <reb10@po.cwru.edu>
Date: Mon, 14 Jun 1999 08:53:29 -0400

Richard:

In response to Mike's questions, I wrote in part:

>"Perhaps other T/E users who are more mathematically
>inclined have found a pattern in the DOF table that could
>lead to a "compute in the head" approach."

And there you are!!! Thank you!!! I should read all posts before
responding.///Dick Baznik
_________

At 10:35 PM 6/13/99 -0400, you wrote:
>
>Just remember the numbers 30, 50, and 100.
>
>28mm: Divide 30 by the f-number.
>35mm: Divide 50 by the f-number.
>50mm: Divide 100 by the f-number.
>


Richard E. Baznik
Vice President for Public Affairs
Case Western Reserve University
10900 Euclid Avenue, Cleveland, Ohio 44106-7021, U.S.A.
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