Archived posting to the Leica Users Group, 2003/03/05

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Subject: Re: [Leica] 21mm Skopar opinion(s) please
From: Patrick Jelliffe <pbjbike@yahoo.com>
Date: Wed, 5 Mar 2003 11:43:30 -0800 (PST)

Thanks for the invite, Jerry, but I do prefer the
refreshing freezing drizzle in Massachsetts today.  No
one is trying to steer you, or anyone else wrong, OK? 
John Collier is one of our resident Leica Model # and
compatability experts. In 70+ years Leica has
introduced thousands of products and variations. 
We're all just trying to help each other with answers
to specific questions, to the best of our ability.
You, obviously, have an exception to the rule with
your 21 Elmarit, and from now on, this model variation
shall be known as the "21 Elmarit, first version,
Lehrer variation", Leica Part Code ELMLEH.

Cheers,

Patrick

  
- --- Jerry Lehrer <jerryleh@pacbell.net> wrote:
> Pat
> 
> My 21 mm f2.8 has an EARLIER serial number, it is
> retrofocus.
> and it fits and works on my CL.
> 
> I choose to believe proven facts rather than a
> published opinion.
> 
> You are welcome to come and see the combination for
> yourself.
> 
> I respect Stephen Gandy, but I acknowledge that
> people do make
> errors.
> 
> Jerry
> 
> Patrick Jelliffe wrote:
> 
> > Jerry,
> >
> > Stephen Gandy has some info you might find
> > interesting.  Scroll down to the section "m lens
> > incompatability".
> >
> > Reagrds,
> >
> > Patrick
> >
> > http://cameraquest.com/leicacl.htm
> >
> >
> > --- Jerry Lehrer <jerryleh@pacbell.net> wrote:
> > > John
> > >
> > > Are you actually saying that the first version
> of
> > > the 21mm f2.8
> > > Elmarit was NOT a retrofocus lens, and thus
> would
> > > foul the
> > > meter on a CL?  I have one of the earliest ones
> of
> > > that lens,
> > > though it is beat up and has a scarred mount, it
> IS
> > > retrofocus
> > > and I use it regularly on my CL.
> > >
> > > Please explain why you said that. Do you know
> more
> > > about
> > > it than Laney and Putz?
> > >
> > > Jerry
> > >
> > > John Collier wrote:
> > >
> > > > The 21/4 SA,  the 21/3.4 SA and the first
> version
> > > of the 28/2.8 all
> > > > have large protruding rear elements that will
> > > either partially block
> > > > the metering cell of the M6 cameras or
> physically
> > > block the metering
> > > > cell of the CL and M5. If you use the any of
> the
> > > above lenses on a M5
> > > > or CL, the lens mount has to be modified
> otherwise
> > > the meter cell arm
> > > > will be broken. The later 21/3.4 SA came with
> the
> > > mount modified. On
> > > > the M6, the lenses give readings about three
> stops
> > > too low. It is
> > > > possible to modify the lens so that it is with
> a
> > > 1/3 stop or so. This
> > > > URL has the details:
> > > >
> > > >
> http://www.jumboprawn.net/jesse/angulon_mod.html
> > > >
> > > > John Collier
> > > >
> > > > On Tuesday, March 4, 2003, at 08:54 PM, John
> > > Straus wrote:
> > > >
> > > > > While you guys are on the 21mm's dosen't one
> > > model have issue with
> > > > > blocking
> > > > > the meter on the newer TTL bodies? I though
> I
> > > read that somewhere...
> > > >
> > > > --
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> > >
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