Archived posting to the Leica Users Group, 1996/11/30

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Subject: Re: Testing M6 Focusing...
From: Dan Cardish <dcardish@spherenet.com>
Date: Sat, 30 Nov 1996 15:53:50 -0400

At 12:58 PM 11/30/96 -0500, Wolfgang wrote:
>Hi Leica Users -
>
>For available light photography, I often rely on my M6 with
>either 35-Summilux, 50-Summicron or 90-Elmarit-M. Lately, I
>noticed that a lot of my pictures are not as sharp as they
>might be.  It could be my fault because of camera shake
>(they were not shot using a tripod) or motion of the
>object. But it could also be something mechanical with the
>camera, namely focusing.
>
This is probably going to generate a loy of contradictory replies, but I had
a similar problem with my M6.  For years I tried to keep the infinity focus
perect using the full moon or other objects at sufficiently far distances as
a guide.  Then I noticed that many of my wide open shots with my 75/1.4 were
out of focus slightly, but always in the same direction.  Further testing
showed that all of my lenses were off slightly, but only boticeable at wide
apertures (narrow depth of field).  I took the camera in  to an independent
camera repair place, and when they finished with it, the focus was perfect,
except that now the infinity point no longer matched up.  I no longer worry
about how the rangefinder images line up when focused at infinity.  I am
satisfied with sharp pictures.

Dan C.