Archived posting to the Leica Users Group, 2001/10/25

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Subject: Re: [Leica] confused
From: Lucien <director@ubi.edu>
Date: Thu, 25 Oct 2001 19:06:31 +0200
References: <SIMEON.10110121407.A@sova-walt.unt.edu> <3BCCA34D.7F0C26B9@d2.com>

Feliciano di Giorgio wrote:

> Is there a optical difference between a rigid and dual range Summicron
> of the same vintage? Puts says they are exactly the same. Other people
> tell me the seven element DR had higher resolution than the rigid seven
> element, which had a bit more contrast.
>

Feliciano,

I have a Summicron 50/2 lens head plus a rigid mount and a DR mount.
All three are sharing the same serial number.

I hope it answer your question.

Lucien

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In reply to: Message from Walter S Delesandri <walt@jove.acs.unt.edu> (Re: [Leica] Re: Vertical Alignment at Infinity)
Message from Feliciano di Giorgio <feli@d2.com> ([Leica] confused)