Archived posting to the Leica Users Group, 1997/07/01

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Subject: Re: Evidence of a Contax/Leica partnership?
From: Lucien_vD <Lucien_vD@compuserve.com>
Date: Tue, 1 Jul 1997 17:06:20 -0400
 
martin tai wrote:

 <On the contrary, the only way to get best optical performance
<is UNIT FOCUSING, ie,  move the lens as a whole. =

<    The internal focusing ( moving internal elements of lens ) used
<in  many  AF long lens is to reduce the weight for motor drive,
<it is not optimal.

<The Contax AX way is the right way.

This not true with all the lenses.
With lenses with floating elements (wide angle), some macro lenses and zo=
om
lenses, the normal AF system (Nikon, Canon etc..) is much better.

Lucien
BELGIUM