Archived posting to the Leica Users Group, 2001/01/12

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Subject: Re: [Leica] 50 Summicron-R
From: Vick Ko <vick.ko@sympatico.ca>
Date: Fri, 12 Jan 2001 06:52:06 -0500
References: <20010112044857.23382.cpmta@c014.sfo.cp.net>

Neat.  So if I want to replace a ROM implant with a third cam,
can I buy a bag of parts and do the surgery myself?

Or are there complex and fiddly calibrations that need to
be done?

Thanks
Vick

Doug Herr wrote:

> On Thu, 11 January 2001, Vick Ko wrote:
>
> >
> > What's the first cam?  Or are there 2 "second ramped" cams,
> > which make up cams #1 and #2, and the stepped thing is
> > cam #3?
> >
> > Vick
>
> There are 2 ramped cams.  The first one, originally for the Leicaflex Standard, is at the top position on the lens mount.  Cam #2 is a similar ramped cam at the bottom of the lens mount.  This was for the Leicaflex SL and SL2.  The 3rd cam is the stepped thing next to #2.  I have seen one lens (21mm Super-Angulon-R f/4.0) where the 2nd and 3rd cams are made from a single piece of metal; in all other lenses I've seen they're two pieces.  I gotta post some jpgs of the cams some day, with circles and arrows and a paragraph on the back describing each one...
>
> Doug Herr
> Birdman of Sacramento
> http://ourworld.compuserve.com/homepages/telyt
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In reply to: Message from Doug Herr <merlin@flyingemu.com> (Re: [Leica] 50 Summicron-R)