Archived posting to the Leica Users Group, 2001/02/07

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Subject: Re: [Leica] Re: DOF
From: Johnny Deadman <>
Date: Wed, 07 Feb 2001 20:32:39 -0500

on 2/7/01 7:00 PM, Jim Brick at wrote:

> The DOF of both the 8x10 and the 6x7 images are exactly the same. Same
> image size. Same lens. Same aperture. But the 8x10 obviously has more
> coverage. But the same image size. Hence the same DOF.

The issue is the magnification not the film format. Your discussion of DOF
seems to imply that you think DOF exists on a neg or tranny independent of
the magnification it is viewed at. Did I misunderstand you on this?
- -- 
Johnny Deadman