Archived posting to the Leica Users Group, 1998/12/07

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Subject: [Leica] Mechanicals and optical quality
From: Alexey Merz <alexey@webcom.com>
Date: Mon, 07 Dec 1998 14:29:10 +0000

"Kotsinadelis, Peter (Peter)" <peterk@lucent.com> wrote:

>Please tell me how the construction of a lens adds to the actual
>photographic quality of an image.

In a new lens it does not. In an old lens (mechanical) design and
construction quality assure that focus, aperture settings, and 
lens alignment are correct.

These parameters are critical to optical performance.
..........................................................................
Alexey Merz | URL: http://www.webcom.com/alexey | email: alexey@webcom.com
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