Archived posting to the Leica Users Group, 2001/01/27

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Subject: Re: [Leica] Long M Lenses
From: John Collier <jbcollier@home.com>
Date: Sat, 27 Jan 2001 20:11:19 -0700

The 400 f5 is an LTM mount which will work directly onto a visoflex 1 (or
PLOOT), with an OUBIO onto the visoflex  2 and 3, or, with the
aforementioned tubes. The 400 f6.8 is a bayonet mount lens that attaches
directly to the visoflex 2 or 3 with no adapter. It will not have infinity
focus with a visoflex 1 or the mounting tubes. The tube for LTM cameras
originates from 1940 (TZOON, replaced by TZFOO/14023 in 1956) and the tube
for the M cameras originates from 1956 (TXBOO/14024); all well before the
visoflex 2 became available. The 200/4.5 and the 200/4 lenses were LTM
lenses that required the OUBIO to mount on the visoflex 2 or 3.

John Collier

> From: "Bill Larsen" <ohlen@sierratel.com>
> 
>> John Collier writes:
>> 
>> |The tube only works with lenses designed to couple with the
>> visoflex 1, the
>> |visoflex lens has to have an LTM. It would be possible to
>> use a 14127
>> |coupled to a 22228 for the later bayonet mount visoflex
>> lenses for the
>> |shorter visoflex 2 or 3.
>> 
> 
> Are you sure about this?  The Leica accessory guide lists
> adapters as TZOON, TZOO and the TXBOO (14024 for mounting
> the Telyts directly to the M-type cameras).  The description
> seems to indicate that the tubes are for the 200 and 400
> Telyt.  If the 200 works, then the 400 should also.
>