Archived posting to the Leica Users Group, 2000/06/30

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Subject: Re: [Leica] 50/2 Summicron
From: Pitak Chenkosol <pitakc@ee.pdx.edu>
Date: Fri, 30 Jun 2000 07:52:10 -0700 (PDT)

> 
> On 29-06-2000 06:58 Pitak Chenkosol wrote:
> 
> >Leica just released the new 50mm f/1.4 Summilux-R within a year or two ago.
> >It does not have an aspheric element in it. I doubt if the 50mm f/2.0 
> >Summicron-M
> >will get an aspheric element in the near future.
> 
> why should a lens have to have aspheric glass in order to be excellent?



It has nothing to do with whether a lens needs an aspherical element
to be excellent.

The original poster of the thread asked whether Leica has any plan to
release an ASPH of the 50mm f/2.0 Summicron-M. My answer addressed
that question.



> It all depends on what kind of glass you need in order to reach a 
> specified quality. The Summilux-R 50/1.4 (new) is a lens from the top 
> drawer, even at the widest f-stops. I have not remarked a visible 
> difference with the Summicron-R 50/2.0.
> 
> Pascal
> NO ARCHIVE
> 
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