Archived posting to the Leica Users Group, 2001/12/15

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Subject: Re: [Leica] Minimum focus distance on current LTM lenses
From: "Mike Durling" <durling@widomaker.com>
Date: Sat, 15 Dec 2001 10:50:25 -0500
References: <DAEOKOEHIBMMGOJNOFECOEPOCOAA.phong@metrowerks.com>

I suppose you could take the lens off an LTM camera and see where the focus
lies with the cam all the way out.  This would tell you how close that
particular camera's rangefinder can focus.  Using that method my IIIf RD
focuses to a little over .8 meter.  So the 1 meter minimum focus on LTM
lenses seems appropriate.

Mike D

- ----- Original Message -----
From: "Phong" <phong@metrowerks.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Friday, December 14, 2001 4:18 PM
Subject: [Leica] Minimum focus distance on current LTM lenses


> I have the current 50mm Summicron LTM which I like very much
> on my LTM camera, except for the fact that the minimum focus
> distance is 1 meter, instead of the .7m of the M version of the
> lens.
>
> I wonder if the other current Leica LTM lenses (35mm Summicron ASPH,
> and 50mm Summilux) also has the same problem (longer minimum
> focus distance than their M counterpart).
>
> What is the technical reason for this being so ?
>
> Thanks for any info,
>
> - Phong
>
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In reply to: Message from "Phong" <phong@metrowerks.com> ([Leica] Minimum focus distance on current LTM lenses)