Сompletely redesigned, the Explore Scientific 20″ f/3.6 Truss Tube Gen 2 Dobsonian Telescope gets improvements to stiffness and load bearing capacity of the optical components to safely carry the large primary mirror and move the entire system smoothly with greater vibration suppression. All connections of the tube structure are welded, with no rivets or screws. Explore Scientific 20″ f/3.6 Truss Tube Gen 2 Dobsonian Telescope is connected to USA. 4IRW files it under Telescopes (Space), which makes it easy to browse alternatives and related companies.
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