Archived posting to the Leica Users Group, 1997/10/21

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Subject: Re: Ricoh lens
From: Marc James Small <msmall@roanoke.infi.net>
Date: Tue, 21 Oct 1997 10:36:15 -0400
 
At 10:48 AM 10/21/97 GMT, Jem Kime wrote:
>I've just acquired, through a bit of private international 'horse trading' 
>on the 'net', a (brand new and unavailable in England...)  Ricoh GR lens 
>(28mm F2.8) for my Leica. This is screw mount presumably to avoid 
>infringement but of the latest design having 2 aspheric surfaces, more than 
>recent Leica designs!
>

The patent on the LTM expired in 1952.  The patent on the M bayonet mount
expired in 1973.

Marc


msmall@roanoke.infi.net  FAX:  +540/343-7315
Cha robh bas fir gun ghras fir!