Archived posting to the Leica Users Group, 1996/12/12

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Subject: 50mm summicron: new or DR?
From: Paul Krzyzanowski <paul@research.bell-labs.com>
Date: Thu, 12 Dec 1996 19:07:43 EST

I'd like to get a 50mm M lens for my M6. The two options I'm
considering are the new 50mm chrome summicron the DR summicron.
Unfortunately I wasn't very attentive to the discussions about
these lenses in the past. If you had the opportunity to compare
the two, was there anything that made the DR Summicron an inferior
lens (aside from the built-in lens hood) to its current successor?
As for the collapsible lens hood is cute, but it appears to be rather
short. Is it surprisingly effective?
As a final question? When looking at older lenses, how can I
identify fungus?  I'm not sure that I've ever seen it (all my
old screw mount lenses appear clear and contrasty).  Is it something
that may appear only a few years after getting an older lens?
Thanks for any advice,

Paul