Archived posting to the Leica Users Group, 2001/12/07

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Subject: Re: [Leica] Goggled lenses on bodies other than the M3
From: SthRosner@aol.com
Date: Fri, 7 Dec 2001 17:34:18 EST

In a message dated 12/7/01 5:19:06 PM Eastern Standard Time, 
jbcollier@powersurfr.com writes:

> Another confirmation that goggled lenses will work all the M cameras is the
>  135/2.8 which uses goggles to modify the 90mm framelines to show the 135mm
>  field of view. It works on both the M3/MP and other M cameras and did not
>  come in separate versions.
>  
>  Many Leica-Users have also anecdotally reported no problems using the
>  goggled 35/1.4 wide open with M cameras other than the M3 and MP.
>  
>  John Collier
>  
>  
>  > From: SthRosner@aol.com
>  > 
>  > ........It will, of course, function correctly on an M3 (only). It will 
> not
>  > function correctly on any other M body - as John Van Stelten informed me
>  > within the last week in answer to  that very question. The focussing cam 
> is
>  > mated to the M3 RF roller arm that is different from the RF arm on M2, 
M4, 
> M5
>  > and M6 cameras.
>  
>  and later added:
>  
>  > I misstated. It is the cam curve on the M3 (goggle) 35 Summicron that is
>  > different from the cam curve on the non-goggle lenses. John Van Stelten 
> said
>  > it actuates the arms on non-M3s in a way that gives inaccurate focussing.

Thank you John:

I've just spoke with John Van Stelten. I misunderstood his answer to my 
question about an M3-version 35/3,5 Summaron. Thus, I blew it twice. I'm 
going into hibernation.

Seth      LaK 9
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