Archived posting to the Leica Users Group, 1999/09/23

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Subject: Re: [Leica] Noctilux pipe dream
From: "Richard J. Wyble" <>
Date: Thu, 23 Sep 1999 18:11:31 -0400 (EDT)

Excerpts from leica: 23-Sep-99 Re: [Leica] Noctilux pipe d.. "Anthony
Atkielski"@atki (811*)

> From: Erwin Puts <>
> Sent: Thursday, September 23, 1999 22:34
> Subject: [Leica] Noctilux pipe dream

> > The Noct as it is by now is the best the designers
> > can compute.

> What exactly did they have in mind?  I understand that
> extremely fast lenses are very difficult to produce, but what makes them so?

Such questions might firstly be addressed by reading and carefully
considering a series of essays written by Erwin Puts and available at
the site, "". I commend
to your reading everything there, but especially given the present
context I suggest the essays on "The Evolution of Optical Design" and

My father was a man given to gruff directives. One of many sensible
admonitions was something like, "You TALK too much! Be QUIET, listen to
knowledgable people, and you MIGHT learn something!" While much of stoic
philosophy was misguided, that one has merit.
  Richard J. Wyble