Archived posting to the Leica Users Group, 1996/06/05

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To: leica-users@mejac.palo-alto.ca.us, leica-users@mejac.palo-alto.ca.us
Subject: Re: Aspherical vs ASPH
From: "Roger L. Beamon" <beamon@primenet.com>
Date: Wed, 5 Jun 1996 09:58:54 -0700 (MST)

>The 35 Summicron M is a great lens. No doubt about it. But when I first used
>it I was a bit disappointed (and I had not anticipated I would have been).
>Why? Because I had been using the 35 Summilux R for 9 years, and it's that
>much better. It's visually crisper (with 100 speed film - heck with 400 TMY
>it shows it character). I wouldn't say it's higher resolution, but the edge
>contrast is one of the special qualities of the lens. Many who use the
>Noctilux and the 35 Summilux R say they are very similar in their optical
>properties (other than focal length, of course).
>
>And from all reports, there is a tad bit better performance from the ASPH
>over the Summilux R. So I say, go for it, though I would think the
>difference would truly be insignficant. It's just they work on different
>cameras. If I were to buy into the R system again, the 35 Summilux would be
>my first lens purchase.

All you state is interesting, Eric, but it is dangerous to extrapolate from
work done between M & R lenses. 
       --
       Roger Beamon,   Natural History Interpreter & Photographer
                                  Docent: Arizona-Sonora Desert Museum
                                  INTERNET: beamon@primenet.com