Archived posting to the Leica Users Group, 2008/10/07

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Subject: [Leica] Bad luck with chrome 50/2 rigid Summicrons
From: leica at screengang.com (Didier Ludwig)
Date: Tue Oct 7 06:10:15 2008
References: <48EB5C87.6040601@sympatico.ca>

Wouldn't dump it too early. Check it out, first. I have a 
50/2.0 Nikkor LTM lens with some haze - and it makes 
beautiful portraits: 
http://gallery.leica-users.org/v/Didier/color/orion_nikkor.jpg.html
Didier





>I am running into a streak of bad luck with my 50/2 rigid Summicrons.
>First, I find my old DR Summicron has coating degradation - a light 
>fuzziness on the front coating I look closely at it.
>Then I check a 50/2 rigid chrome lens - it has the coating 
>degradation but to a lesser degree.  Then looking inside, it has 
>concentric rings of some haze.  It doesn't look like the rainbow 
>rings of doublet separation.  They look literally like large concentric 
>rings of haze.  Have you heard of this "rings" phenomena?
>Both might be destined to the "bay "as is" sales category.   :-(
>That or they are my "extra glow" 50/2's.
>Vick



In reply to: Message from vick.ko at sympatico.ca (Vick Ko) ([Leica] Bad luck with chrome 50/2 rigid Summicrons)