Archived posting to the Leica Users Group, 2003/03/05
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>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
Jerry and Pat,
John was talking about the 1st _28mm_ Elmarit, not the 21. All
21/2.8's are and were retrofocus and cleared the meter. The first
28/2.8 was not. You misread John's post. Stephen is right as well.
- --
* Henning J. Wulff
/|\ Wulff Photography & Design
/###\ mailto:henningw@archiphoto.com
|[ ]| http://www.archiphoto.com
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