Archived posting to the Leica Users Group, 2001/01/11

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Subject: Re: [Leica] Yet another LTM -> M adapter question
From: "Dante A. Stella" <dante@umich.edu>
Date: Thu, 11 Jan 2001 18:43:23 -0500
References: <B683A147.68%w.gower@home.com>

Canon and Nikon LTM lenses are at the 2 o'clock position
Early Soviet LTM lenses are at the 12 o'clock position.  Late are usually 1 or
2.
Leica is straight up.

Depends on the lens.

William Gower wrote:

> I am wondering:
>
> When using an LTM lens with a LTM -> M adapter, is the DOF scale always at
> the 1 to 2 o'clock position ?
>
> I expected that the DOF scale would have lined up perfectly with the little
> dimple on the adapter, rather than being off by 25 degrees or so.
>
> Or is this why the damn thing won't focus to infinity ?
>
> Someone must have though to cut the treads on the adapter so that when the
> lens is perfectly seated, the "top" of the lens (DOF scale) coinsides with
> the dimple on the adapter, and when mounted on the body - vola ! -
> everything lines up just like a M mount lens.
>
> Right ?
>
> Or is this poor CCCP workmanship ?
>
> What are the Voigtlander lenses like ??
>
> Thanks
>
> William

Replies: Reply from "A.H.SCHMIDT" <horsts@primus.com.au> (Re: [Leica] Yet another LTM -> M adapter question)
Reply from John Gong <jgong@cisco.com> ([Leica] Re: Yet another LTM -> M adapter question)
In reply to: Message from William Gower <w.gower@home.com> ([Leica] Yet another LTM -> M adapter question)