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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Because of the short back focus
without using tools
All SuperView eyepieces in our store are 5-elements
The bottom thread accepts any 2" filter for advanced application
We pursue the optical performance beyond everything
GSO 2" 50mm CNC Extension Tube Because of the short backThis 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" eyepieces, and its inner a brass compression ring is designed to clamps equipment tightly but avoid any scratch on it. The inside surface of this tube is black matted helps to enhance imaging contrast and absorb any
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