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Quantity
1
Description
This is a high-quality CNC manufacture extension tube from GSO. Unlike cheap products, the mechanical tolerance of gap is precisely controlled to make any eyepieces and equipment fitted perfectly.
The extension is designed for any 2" eyepi...
Reviews
4.5
2 ratings
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GSO Laser Collimator
Nice tool for collimating Newtonian telescope, easy to use very solid, it has just one brightness level, no instruction manual