Archived posting to the Leica Users Group, 1996/06/19

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Subject: Re: 50mm Summicron
From: (C.M. Fortunko)
Date: Wed, 19 Jun 1996 07:38:46 -0600


There is another variable that should be considered. I have both the second
and third-version of 50 Summicron. The third version appears to produce
contrastier photographs. What is your opinion on this one.


>It isn't so much that Leica now makes lenses which are "inferior" to former
>designs.  It is more that Leica now makes lenses which are supposed to
>produce adequate images but cost less to manufacture.  It's not quite the
>same thing.  And some Leica M designs -- the two aspherical 1.4/35 Summilux
>designs and the current 2.8/90 Elmarit -- are improvements over past
>But the two sticklers in the bunch are the 2/35 and 2/50 Summicrons.  In
>both cases, a fair number of users seem to prefer the earlier designs -- the
>first eight-element design for the 35mm and the rigid or NF design for the
>The Japanese tests come from a publication entitled CAMERA REVIEW:  ALL
>ABOUT HISTORICAL CAMERAS, issue 24.  Most of this is in Japanese -- which I
>do not speak! -- but I have a brief precis in English with a few of the
>charts deciphered.  Simply put, the results showed:
>First rigid design (1959)                       280 center resolution
>181 surface resolution
>second (1978)                                         180
>current (1981)                                          180
>There are a slew more charts but the translation of them is a task!
>Further information can be had from my source, Mr Joel Tlumak, publisher of
>RFinder Magazine, at -- I just suggested to Joel that he should
>subscribe to LUG.
>  FAX:  +540/343-7315
>Cha robh bas fir gun ghras fir!