Archived posting to the Leica Users Group, 2014/03/15

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Subject: [Leica] DR Summicron will not focus
From: rendress at (Richard Endress)
Date: Sat, 15 Mar 2014 16:15:50 -0400

Hi All, 

Help! My DR Summicron has been in storage for a year and now I can't get the 
focusing ring to move.  I assume the lubricants just dried out. It was 
pretty stiff the last time I used it.  So what is the solution?  Do I ship 
it out for cleaning?  Any suggestions who can do it?  Or do I dare use a 
drop of penetrating oil on the focusing helix?  Or silicon spray?  

Richard Endress
rendress at

Replies: Reply from vick.ko at (Vick Ko) ([Leica] DR Summicron will not focus)