Archived posting to the Leica Users Group, 2007/06/23

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Subject: [Leica] 'cron 50mm DR on M8
From: len-1 at comcast.net (Leonard Taupier)
Date: Sat Jun 23 13:04:03 2007
References: <5.1.0.14.2.20070623000603.00bdbb40@mail.2alpha.com> <A44F9E5F-3B70-488A-994C-955B1E09215E@comcast.net>

Yes.

What Peter is saying is to have two mounts, one modified and one not.  
Since the DR lens cell unscrews from the mount, you can choose which  
mount to use, close or normal.

Len


On Jun 23, 2007, at 3:46 PM, Tom Schofield wrote:

> If he performs the surgery, will you lose the close focus function?
>
> Tom
>
> On Jun 23, 2007, at 12:29 AM, Peter Klein wrote:
>
>> Steve:  That was me.  I had the idea of getting a cheap Rigid  
>> Summicron with bad glass and the correct focal length marked  
>> inside.  The DR and Rigid lens heads unscrew from the mounts, so I  
>> thought I could put my DR lens head in the rigid mount for the M8,  
>> and still have the close range on film.  I asked DAG about it, and  
>> he said that the mounts were different and it wouldn't work.  But  
>> he also said that he could cut off the close focus part of the  
>> cam, and then it would work in the normal range on the M8.
>>
>> The unmodified DR does work in close-focus range on the M8.  I  
>> know for sure, because I've tried it. When it's set in the normal  
>> range, the close-focus half of the cam sticks out too far, and it  
>> hits something inside the body when you try to mount it.  I have  
>> read about this, and I have decided to believe it and not try it  
>> myself.  :-)
>>
>> I'm still thinking about whether to have DAG do the "operation."   
>> It will depend on how much I like the 67mm equivalent length the  
>> 50mm turns into on the M8.  And whether I want to desecrate a  
>> sacred object.   Funny that I feel this way--I've used the close  
>> range all of twice since I got the lens.  But another DR was my  
>> first Leica lens, way back in 1970.  I really love how the DR  
>> draws, how it's made, how it feels.  And it's a Wetzlar product  
>> from the Golden Age.  So I'm reluctant to give the lens a  
>> "vasectomy" unless I'd really use it a lot on the M8.
>>
>> Decision postponed while I experiment with my other 50s.
>>
>> --Peter
>>
>> At 02:29 PM 6/21/2007 -0700, Steve Barbour wrote:
>>>  recall hearing that the cron 50mm DR can be modified,
>>> so that it can be used on the M8 body...
>>> maybe that was reported here...
>>> if someone can substantiate this, and give me details, I'd  
>>> appreciate
>>> it...
>>>
>>> thanks, Steve
>>
>>
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>
>
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In reply to: Message from pklein at 2alpha.net (Peter Klein) ([Leica] 'cron 50mm DR on M8)
Message from tomschofield at comcast.net (Tom Schofield) ([Leica] 'cron 50mm DR on M8)