Archived posting to the Leica Users Group, 2001/06/03

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Subject: Re: [Leica] Odd Vivitar SM Lens
From: John Collier <jbcollier@powersurfr.com>
Date: Sun, 03 Jun 2001 08:38:44 -0600

The first reflex cameras from Pentax had the same thread as LTM but a
different backfocus to accommodate the mirror. Perhaps this lens was meant
for those camera?

John Collier

> From: "David L. Duff" <duffdl@qwest.net>
> 
> Hello Luggers,
> I've come across an odd Vivitar lens apparently in Leica thread
> mount as it fits my old C***n IVSB2 and my LTM to M adapter rings. It
> appears also to be anodized black, 135mm f/3.5, and has two aperture
> rings (one for pre-set?). The front filter ring says P&B (Ponder and
> Best, mid 70's to early 80's?) TELE VIVITAR. Filter thread appears to be
> about 46mm. It also has no rangefinder coupling that I can find (at
> least it doesn't couple to my C***n), and at close distances appears to
> not be very adaptable to having a coupling readily made. Any ideas of
> what it might have gone to?
>