Archived posting to the Leica Users Group, 1996/04/12

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Subject: Re: The Adaptor from the Anti-Universe
From: Gang Huang <>
Date: Fri, 12 Apr 96 18:38:16 EDT

At 08:27 PM 4/12/96 +0000, Jack Campin wrote:
>Marc Small wrote:
>> Canon produced the Lens Mount Converter A for many, many years -- this
>> adapted the older Canon RF lenses for use on the Canonflex BM, FL, and FD
>> mounts.  Quite a nifty device.
>I'm baffled.  The adapter I have on my 19mm/3.5 goes the other way:
>FL lens to LTM camera.  It seems that if I had one of the gizmos you
>describe, I could fit the lens with *both* adapters and end up back
>where I started, with something that would fit an FL-mount camera.
>I have problems imagining the geometry of this...

Ah, but there is a catch. The Canon RF to FL adapter does NOT allow you to
focus to infinity. Its purpose is mainly for macro work. So if you use both
converters, you have an equivalent of an extension tube.
Gang Huang
AT&T Bell Laboratories
200 Laurel Ave. 3B-216
Middletown, NJ 07748
U. S. A.