Archived posting to the Leica Users Group, 1999/06/15

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Subject: Re: [Leica] Tri-Elmar and Depth of Field Hyperfocal distance
From: Nathan Wajsman <>
Date: Tue, 15 Jun 1999 22:07:05 +0200


You are correct. I should have said, "given a certain circle of confusion".


Christian Payot wrote:

> Nathan Wajsman a écrit :
> > Hyperfocal distance is a function of (1) aperture; (2) focal length. So in your
> > examples below, it is correct that in the first case your hyperfocal distance is
> > 8' and 12' respectively.
> Nathan,
> It seems, you forgot (3) diameter of circle of confusion...
> Regards,
> Christian Payot

- --
Nathan Wajsman
Overijse, Belgium

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