Archived posting to the Leica Users Group, 2001/01/24

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Subject: [Leica] L-M Adapters, was New Leica Screw Mount Lenses
From: Jem Kime <>
Date: Wed, 24 Jan 2001 10:06:44 -0000

It's worth saying that in a 'collector's' eyes the Leitz adapapters are 
more valuable/desirable. they sell for maybe twice the price!
And there can be problems with recent (unbranded) makes, I have several, 
some by Komura, one by Cosina/Voigtlander and one without a brand name. I 
was unable to screw a lens into this last one, but the same lens would 
screw into a Leitz adapter. I have not found a problem with centering 
though, the axis is unlikely to be off by more than 1/2mm, surely not easy 
to assess visually?

	-----Original Message-----
From:	William Larsen []

Is an original Leica screw to M adapter more desireable than a new 
> Are mint Leica screw to M adapters available? Thanks for you responses.

All the screw to M adaptor does is to change the
registration of the lens by 1mm.  As long as the adaptor is
machined properly, there will be no problem.  I don't have
any Leica adaptors.  If you get an aftermarket adapter, try
to make sure that the lens ends up centered (you might have
to try several adaptors to find one just right).