Archived posting to the Leica Users Group, 2000/08/27

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Subject: Re: [Leica] HCB's focus
From: Mark Rabiner <mark@rabiner.cncoffice.com>
Date: Sun, 27 Aug 2000 01:24:36 -0700
References: <F271tdqVvPdLFYxc9NU00000237@hotmail.com>
 
><Snip> 
> After using the new aspherics for a while I really appreciate the difference
> between critical focus and zone focus - not the same thing at all. Of
> course, I could be wrong. Tell me I am.
> Rob.
> 
I'm not familiar with the difference between critical focus and zone focus, Rob.
Sounds like what you are focusing on verses what you depth of field would then be.
I would seem obvious that the center of you depth of field would be sharper than
the edges.
One could go one F stop "in" as Jim Brick mentions he does.
Markwr
In reply to: Message from "Robert Appleby" <laintal@hotmail.com> ([Leica] HCB's inspirational drivel)