Archived posting to the Leica Users Group, 1997/04/07

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Subject: Re: 50mm Summilux versions?????
From: Simon Ogilvie <edlsnoe@deep-thought.ericsson.se>
Date: Mon, 07 Apr 1997 15:27:02 BST
 
> Duane Birkey wrote:
> 
> <When did they update the 50 Summilux (to the built-in hood, 46mm 
> <filter)?  
> 
> 03/95 (LFI)
> 
> <Did they update the optics along with the mechanical changes? 
> 
> NO ! Same optics sinds 1964, but coating was improved several time.
> 

Is the same true of the 50 Summicron?  ie. Is the newest built-in hood lens 
the same optically as the previous design?  I have a 50 Summicron serial 
number 3541xxx - what year would that have been made, and what year was it 
replaced by the built-in hood version?

Thanks,
Simon.
______________________________________________________
 Simon Ogilvie   -  UNIX Systems Supervisor
                    Ericsson Data Ltd., Guildford, UK
 simon@guildford.ericsson.se