[Leica] Happy 70th Birthday M Mount!

[Jim Nichols]

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
> für die lösbare 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
>
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>
-- 
Jim Nichols
Tullahoma, TN USA