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Secure 2" Extension Tube
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01-05-2012, 12:31 PM
Marke
(Mark)
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Join Date: Nov 2009
Location: Sydney
Posts: 1,193
The Baader twist lock or similar are very good , no screws and self centreing .
http://www.alpineastro.com/eyepiece_...epiece%20Clamp
Marke
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