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Optical Tube Assemblies

Optical tube assemblies, commonly abbreviated by astronomers as OTAs are simply the tube of the telescope where the optics are internally located. OTAs can be helpful in a situation in which an observer has a compatible mount and doesn't want to buy a whole new telescope with a mount included. Optical Tube Assemblies can come in the form of Maksutov-Cassegrain, Astrographs, Reflectors, Refractors, Schmidt-Cassegrains and many others! With the right mounting connections and range of mount and tripod payload, OTAs are a great choice for changing optical type without changing the mount.

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  1. Explore Scientific 208mm Newtonian f/3.9 with Carbon Fiber Tube

    Explore Scientific - 208mm Newtonian f/3.9 with Carbon Fiber Tube

    Explore Scientific - 208MM NEWTONIAN F/3.9 WITH CARBON FIBER TUBE

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    (48 States)
    Model#: N208CF

    Available - Ships in 2-4 Days

    $599.99

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