Archived posting to the Leica Users Group, 2003/01/14

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Subject: RE: [Leica] I eat crow
From: Henning Wulff <henningw@archiphoto.com>
Date: Tue, 14 Jan 2003 16:35:32 -0800
References: <NABBLIJOIFAICKBIEPJJAEDBDKAB.darkroom@ix.netcom.com>

At 6:49 PM -0500 1/14/03, Austin Franklin wrote:
>Hi Henning,
>
>>  Technique has nothing to do with it.
>
>Yes, it absolutely does.  I don't understand what the fuss is about, it
>doesn't require a friggin' correction table, just a little understanding.
>
>There are TWO different possibilities.  One is you focus on the subject
>using the center of the rangefinder, as you should, then you re-frame.  The
>second is there is nothing to get a good focus on the subject, so you "find"
>something to focus on, believing it is the same distance from you as the
>subject.
>
>The plane of focus is an arc with the "anchor" point at the center of the
>film plane, and the radius the distance to the subject.  As long as you KNOW
>that and use that to focus, there is NO changing of focus to accommodate
>this.
>
>The first scenario above, where you focus on the subject, then re-frame the
>camera expecting the subject to stay in focus IT WILL WITH NO FIRTHER
>THOUGHT, as the subject distance has not changed.
>
>For the second scenario, you simply find a spot along the arc that is the
>same distance from you to focus on.  I don't know about you, but it is FAR
>easier for me to judge something is the same distance away from me, than
>judging if it is coplanar with the subject!
>
>Austin
>

Austin, you've missed the point.

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    *            Henning J. Wulff
   /|\      Wulff Photography & Design
  /###\   mailto:henningw@archiphoto.com
  |[ ]|     http://www.archiphoto.com
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In reply to: Message from "Austin Franklin" <darkroom@ix.netcom.com> (RE: [Leica] I eat crow)