Archived posting to the Leica Users Group, 2000/11/10

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Subject: Re: [Leica] Leica M3 focus question
From: John Collier <>
Date: Fri, 10 Nov 2000 22:54:47 -0700

The M3 rangefinders only couple to the lens cam down to one meter. Late M3s
can be readjusted (most have been already) to couple down to 0.7m but the
early cameras cannot. I do not know the serial number of the change in
rangefinder design but definitely a 785xxx would have come with the early
design (it may have been changed though).

John Collier

> From: john <>
> I recently picked up a user M3 with an early serial number of 785xxx. When I
> mounted a sumitar with an M adapter on it everything worked fine.  I then
> tried my current series summicron and the rangefinder stopped moveing before
> the lens had reached its closest focusing distance.  I know the newer
> summicrons focus closer than the first M series summicrons so am I exceding
> the range of the early rangefinder or is there a problem with this particular
> range finder.  As I said with the summitar and M adapter the range finder
> image moves to the end of the lens travel but with the newer summicron the
> range finder stops moving before the end of the lens travel.