Archived posting to the Leica Users Group, 1999/10/07

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Subject: [Leica] Re: M6 and DR summicron
From: Paul Schliesser <paul@pixelp.com>
Date: Thu, 7 Oct 99 05:26:12 -0400

Subject:     Re: M6 and DR summicron
Sent:        8/6/97 1:34 PM
To:          Leica User's Group, leica-users@mejac.palo-alto.ca.us

>> Somebody wrote about DR Summicron 50 on an M6.  Here is what I know
>> about it.
>> 
>> 1. You cannot switch to the near range on an M6.  There is a sheet
>>    metal flange on the bottom on the M6, which prevents it from
>>    going to the near range.  The M3 does not have the flange.
>
>Fortunately, nobody told my M6. It has been happily shooting amazing
>closeups ever since I found a DR a year and a half ago. What a lens! The
>results of closeup shots using Agfa 25 APX film enlarged to 11x14's (thru a
>Focotar lens, of course) are beautiful. 


I've read that the DR Summicron is not supposed to work on the M6, but it 
works fine on mine. The eyes work with no problem. It has no problems on 
my M4-2.

I know that Marc uses this lens on his M6, also. His is an older Wetzlar 
M6; mine is a fairly recent Solms M6. Gary's obviously works, also. So 
why does Leica say there is a problem?

Are there slight differences in some DR mounts or something?

The lens has two different focusing cams on the back, one for normal 
focusing and one for close range. If you look at the cam, half of it is 
much longer than the other half. The reason that you need to have it near 
infinity to remove it from the camera, is that the "step" between levels 
will catch on the focus lever if the lens is focused too close.

- - Paul