Archived posting to the Leica Users Group, 2001/11/08

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Subject: Re: [Leica] [Leica} 50mm Summicron-M and flare
From: "Mike Durling" <durling@widomaker.com>
Date: Thu, 8 Nov 2001 07:50:48 -0500
References: <3BE635AD.9BF7DA0B@netidea.com>

Take the lens off and stop it down.  Hold it up to a light source and look
through the rear element.  See if there is  a shadow cast by the diaphragm
on the lens element immediately behind it.  My second-generation Summicron
has a hazy element at this position.

Mike D

- ----- Original Message -----
From: "Fred Rosenberg" <fdr@netidea.com>
To: "Leica Users" <leica-users@mejac.palo-alto.ca.us>
Sent: Monday, November 05, 2001 1:46 AM
Subject: [Leica] [Leica} 50mm Summicron-M and flare


> Greetings,
>     I use a 1970's Summicron that flares in a back lit situation
> including any sky  (as little as 10-20% of the frame).  Contrast is
> essentially reduced to zilch across the entire frame.  A recent cleaning
> hasn't changed a thing.  It's always used with a hood.  What gives?  Is
> this characteristic of the vintage and are the newer versions less prone
> to flaring?
>     Thanks for any thoughts.
> Fred
>
> --
> To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html
>

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In reply to: Message from Fred Rosenberg <fdr@netidea.com> ([Leica] [Leica} 50mm Summicron-M and flare)