Archived posting to the Leica Users Group, 2020/02/10

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Subject: [Leica] Happy 70th Birthday M Mount!
From: jhnichols at lighttube.net (Jim Nichols)
Date: Mon, 10 Feb 2020 18:25:05 -0600
References: <CAOgCMTSE3=6QwBJJOdz+ZTQMrNi0rkq7RboRjk4-kGM7rcjdrw@mail.gmail.com>
 
Thanks, Frank, for the history.? That explains why my first Leica, 
bought in 1952, was LTM.? I do own a Bessa R2A in M-Mount.

On 2/10/20 4:15 PM, Frank Filippone via LUG wrote:
>   Seventy years ago (February 10, 1950) Hugo Wehrenpfennig filed the patent
> for the Leica M-mount. The patent for the M-bayonet ("Bajonettvorrichtung
> f?r die l?sbare Verbindung zweier Kamerateile") was registered by Ernst
> Leitz GmbH at the German patent office on 10 February 1950 and published on
> 23 October 1952. Hugo Wehrenfennig was credited with the invention. The
> Leica M mount was officially introduced at the 1954 Photokina show with the
> Leica M3 as its first camera (Wikipedia
> <https://en.wikipedia.org/wiki/Leica_M_mount>).
>
>
> Frank Filippone
> BMWRed735i at gmail.com
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>
-- 
Jim Nichols
Tullahoma, TN USA
In reply to: Message from bmwred735i at gmail.com (Frank Filippone) ([Leica] Happy 70th Birthday M Mount!)