Archived posting to the Leica Users Group, 1998/07/30

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Subject: Re: [Leica] Film not flat in my M6HM?
From: Jim Brick <jim@brick.org>
Date: Thu, 30 Jul 1998 19:30:22 -0700

Dan,

I warned you about UV filters... :)

Dan,

I think you should call Sherry Krauter and ask her about any mechanical
differences. I personally don't believe the M6HM is any different than the
M6, except for the rangefinder. Which means that the film mechanism is
identical. From the sound of your problem, I would suspect a major problem
with the lens.

Back to filters. Seriously. I know nothing about the 75/1.4 but I do know
from personal experience (corroborated by many others) that the 180/3.4 APO
has a problem with filters. They can throw focus way off. Could be your
problem. Run a test.

Jim

At 02:55 PM 7/30/98 -0400, you wrote:
>My problems are continuing.  I exposed a roll of film with three separate
>lenses, all at their maximum aperture.  I even took some close-ups with the
>DR Summicron.  All shots were very sharp, with the exception of ALL photos
>taken with the 75/1.4.  They were TERRIBLY out of focus.  Yet, I can see
>nothing wrong with the lens, and it has performed admirably for me in the
>past.
>
>Any ideas?
>
>Dan C.
>