Archived posting to the Leica Users Group, 2001/02/03

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Subject: Re: [Leica] Specks in new Leica Lens
From: John Collier <jbcollier@home.com>
Date: Sat, 03 Feb 2001 16:15:27 -0700
 
BUZZ
Contradiction Alarm

How would a test negative show something that is optically insignificant?

:-)

John Collier

> From: "Dante A. Stella" <dante@umich.edu>
> 
> ........While I agree with him that these are optically
> insignificant, there is no excuse to ship a new and very expensive lens with
> them.  It's probably the blacking from the inside of the lens barrel.
> 
> Sorry for the analogy, but target pistols come with test targets - why don't
> Leica lenses come with test negatives?