Archived posting to the Leica Users Group, 1996/10/04

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To: leica-users@mejac.palo-alto.ca.us
Subject: Re: Emotive lenses (Question about DR Lens)
From: "Glenn Wm. Thrall" <gthrall@ix.netcom.com>
Date: Fri, 04 Oct 1996 23:24:35 -0700
Organization: THRALL TECHNICAL WRITING
References: <1.5.4.32.19961004165535.006ee728@roanoke.infi.net>

> 
> Berek realized that if the out-of-focus images had enhanced fuzziness, the
> in-focus portions would seem even sharper than they actually were.
> Therefore, his designs had residual aberrations to accomplish this, and the
> effect is to make the in-focus portion "pop out" of the print.  Thus, the
> "Leica glow", as the Europeans name it, results.
> 
> Leitz customarily tested their lens designs by a 'final image' standard and
> not by MTF ....

Marc,

How would you, or other users of the lens, rate the DR (near focus)? How near is near, what 
color rendering bias does it exhibit? Are there some (serial #?) that should be avoided?

Glenn

++++++++++++++++++++++++++++++++++++++
Glenn Wm. Thrall
THRALL TECHNICAL WRITING
gthrall@ix.netcom.com

Southern California
++++++++++++++++++++++++++++++++++++++

In reply to: Message from Marc James Small <msmall@roanoke.infi.net> (Re: Emotive lenses)