Archived posting to the Leica Users Group, 2003/08/27

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Subject: Re: [Leica] Re: Re: Leica 90mm f/4.0 Elmar C prices
From: Jerry Lehrer <jerryleh@pacbell.net>
Date: Wed, 27 Aug 2003 00:23:18 -0700
References: <199.1ee6f660.2c7d7716@aol.com>

BR

You really can't reduce diffraction.  It is a physical function.  Look up
Huygens Principal of Diffraction.

Jerry

Afterswift@aol.com wrote:

> In a message dated 8/26/03 7:43:11 PM Pacific Daylight Time,
> henningw@archiphoto.com writes:
>
> > They have not overcome diffraction. It is very evident in both those lenses.
> >
> >  Mush all around.
> ------------------
> Henning,
>
> You would think that two of the most quality conscious lens makers wouldn't
> market a lens with f32 if they had not reduced diffraction to an acceptable
> level.
>
> br
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In reply to: Message from Afterswift@aol.com (Re: [Leica] Re: Re: Leica 90mm f/4.0 Elmar C prices)