On Thursday, June 12, 2014 10:16:48 AM UTC-4, gghe...@gmail.com wrote:   
   > Hi all,  I use these Thor labs lens tubes   
      
   > I've also got an old tube of Apiezon "T" grease.   
   > Maybe a weak loctite product?   
   > Mash the threads a bit with a file?   
      
   FYI, the "correct answer" is a single layer of 1/4" teflon tape around the   
   threads.  This gave a nice sense of stiffness.  And now I wonder if I should   
   put some on all the lens tubes?   
      
   George H.   
   >   
   >   
   > Thanks   
   >   
   >   
   >   
   > George H.   
      
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