Archived posting to the Leica Users Group, 1999/08/17

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Subject: [Leica] Re: M6 Reliability
Date: Wed, 18 Aug 99 01:49:30 GMT

Bottom line...of my three M6's (recent production) I sent *one* back to Leica 
NJ for an under-warranty vertical alignment adjustment, not because it was 
causing a problem with the finished product, but simply because the lack of 
alignment was driving me crazy. (I should have checked this before I bought the 
camera, but since it was my first Leica, I didn't know any better...Thanks to 
the LUG, I now know how to check these aspects before I buy :-) I was without 
the camera for seven days and it has worked perfectly ever since - even 
surviving trips on express prop planes on which the vibration is enough to 
loosen dental fillings!  


> People who are going to be checking the calibration of
> the rangefinder with a yardstick every other day are
> probably not going to be happy with an M6 or any other
> mechanical rangefinder.  The fact of the matter is
> that a rangefinder can drift out of alignment. 
> According to many reports I've read on the LUG, shocks
> commonly cause vertical misalignment (in the
> rangefinder patch one image is slightly above the
> other) which while irritating, causes no detrimental
> effects in terms of accuracy, which is solely a
> function of horizontal alignment (within reason).