Archived posting to the Leica Users Group, 2003/09/24

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Subject: Re: [Leica] Where are the engineers? was: New Macro-Adapter with otherM lenses
From: Henning Wulff <henningw@archiphoto.com>
Date: Wed, 24 Sep 2003 12:54:27 -0700
References: <22E8308D-EEBD-11D7-9F1A-0050E42E6E0B@shaw.ca> <3F71F20B.540FBCBE@pacbell.net>

At 12:35 PM -0700 9/24/03, Jerry Lehrer wrote:
>John
>
>That was my question before, 'cause the adapter does not look
>thick enough to go to .5 meter.  Lucien said that there is no added
>extension of the lens unlocked by installing it on the adapter.  I
>have my doubts.

The adapter is not supposed to be thick enough to go to 0.5m. It only 
has to go to 1m, so that the lens with adapter can focus between 0.5 
and 1m.

>
>Jerry
>
>John Collier wrote:
>
>>  The body of the new lens is marked to 0.5m. No other M lens is so
>>  marked and the rangefinder normally uncouples before then as well. So
>>  there must be a "locked out" portion of the focus travel only available
>>  when mounted upside down with the eyes attached. So the short answer is
>>  that the eyes will not magically transform your 90AA into a "macro" lens

It would, but you would not be able to focus it as it lacks the second cam.

>  >
>  > John Collier
>>



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In reply to: Message from John Collier <jbcollier@shaw.ca> (Re: [Leica] Where are the engineers? was: New Macro-Adapter with other M lenses)
Message from Jerry Lehrer <jerryleh@pacbell.net> (Re: [Leica] Where are the engineers? was: New Macro-Adapter with otherM lenses)