Archived posting to the Leica Users Group, 2001/06/28
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Yes, Ted .....right on..... he's a wanna be Leica -user, wanna be doctor,
wanna be lawyer.... wanna be wanna be....
> Beware dealing with this one as he'll eventually drive you crazy! And or
> have the LUG in such turmoil everyone will be looking to cut each others
> throat.
>
> Why? Because this is the infamous "Anthony of Paris!" Who last year had
> LUGGERS fighting between themselves while he sat back stirring the pot
daily
> playing all innocent.
>
> In the beginning of his joining the LUG he appeared simple enough and each
> and all of us tried to be polite and answer his questions. But like a
> cancer, he gradually ate away at the list with his questions and responses
> until the turmoil was ending friendships, fierce arguments and accusations
> one unto the other. Meanwhile he was sitting happily in Paris enjoying
his
> chain pulling and the stupidity of LUGGERS not to see through his charade,
And if this isn't Anthony, then maybe good old >> mxsmanic<< may show
some
> courtesy to the members and say hello with his real name. After all, this
is
> a name of human list when we correspond. Doesn't that seem like a
reasonable
> request?
>
> Folks wait for his answer, question as an answer or whatever. But don't be
> surprised. Oh yes and he is a Leica user... or at least that's what he
> said.
> ted
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> Ted Grant Photography Limited
> www.islandnet.com/~tedgrant
> ----- Original Message -----
> From: <SthRosner@aol.com>
> To: <leica-users@mejac.palo-alto.ca.us>
> Sent: Thursday, June 28, 2001 5:47 AM
> Subject: Re: focus stiffness (was [Leica] Black Hole?)
>
>
> > In a message dated 6/28/01 3:01:57 AM Eastern Daylight Time,
> > mxsmanic@hotmail.com writes:
> >
> > << In absolute terms, it is about 1/26 of a stop, so it's not very much,
> but
> > still
> > more than many other lenses.>>
> >
> > I may have misunderstood. When someone says there's play or slack, I
> assume
> > that means the aperture ring moves without affecting the diaphragm.
> >
> > <<But the lens still has to be disassembled, doesn't it?>>
> >
> > Not necessarily. And even if there needs to be some disassembly, the
lens
> > cell itself may be able to be left intact, i.e. the problem may be
> > correctible without touching any lens elements or their mounts.
> >
> > <<It's like an acoustic piano: Whenever you tune it, the tuning pins
> loosen
> > a
> > little bit. No matter how careful you are, no matter how good you are,
> you
> > can't avoid damaging (wearing) the pins and their block down a bit with
> every
> > tuning. And with a lens, every time you undo a screw or force a ring
off
> a
> > pressure mount or whatever, something wears down a bit, and it will
never
> be
> > quite the same again.>>
> >
> > I studied piano for most of my youth. There is a great deal of torque
> applied
> > to piano pins and so it is technically true that each time you tune a
> piano,
> > there is some wear on the pin. It is however infinitesmal and requires a
> > great deal of fiddling (forgive the pun) with the pins to have any
effect
> at
> > all. So you are technically correct in saying that there's some wear,
but
> in
> > the real world, fuhgetaboutit. It's a bit like saying that there's some
> wear
> > each time you press the shutter release. True, but so what?
> >
> > In any event, with lenses there is no equivalent torque, tension or
> pressure
> > on screws or retaining rings. What little resistance or load is required
> to
> > maintain an apereture ring in its click-stop or return an SLR diaphragm
to
> > its full-open position is supplied by springs or clips whose force is
> > carefully calculated to supply only the tension needed for the job.
> >
> > I've been photographing with Leica equipment for over 50 years. In that
> time,
> > I've needed very little servicing but that which I've had, returned my
> > equipment to me in like-new mechanical and optical condition; and I mean
> > like-new. Properly used and cared for, your Leica camera(s) and lenses
> will
> > be usable by your grandchildren
> > and, if you're as old as I am, by your great grandchildren. What's the
> number
> > again? Leica shutters are crafted to be able to be used through 400,000
> > cycles before requiring service? Some incredible number.
> >
> Best, Seth LaK 9
> >
>