Archived posting to the Leica Users Group, 1996/07/28

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To: leica-users@mejac.palo-alto.ca.us
Subject: Re: 50mm F:2 Summicron-DR (with eyes) ... Opinions?
From: "C.M. Fortunko" <fortunko@boulder.nist.gov>
Date: Sun, 28 Jul 1996 12:27:40 -0600

Erwin,

I was not able to access your www site. There is something wrong with it.

I would be very interested in what you have to say about the DR Summicron.

Thank you,

Chris


At 07:22 PM 7/28/96 +0200, you wrote:
>>The 50/2 Summicron had the highest resolution figures of ANY lens ever
>>tested by Modern Photography,  so said an old "TOO HOT TO HANDLE"
>>column.
>>
>>Today it is not as popular amongst collectors because it is not as
>>aesthetically pleasing as the standard rigid version of the same lens.
>>Yet it very very useful.
>>
>>Stephen Gandy
>
>Hello Stephen,
>Resolution is not all there is in lens performance. Contrast and especially
>micro contrast (or in MTF terms: high contrast at high frequency numbers)
>are the decisive edge. The newer Summicron has this property in abundance,
>where the old one is weak.
>Performance of the original one is disappointing (at f/2,0 and f/2,8)
>compared with the new ones. So it is not aesthetics that dictate the
>popularity. See my leica M lens comparison in www.imx.nl/photosite
>Erwin Puts
>
>
>
>