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Parallax Instruments

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  1. Parallax 11 " OD Tube Rings

    Parallax - 11 " OD Tube Rings

    Parallax - 11" OD Tube RingsThese 11" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ptr_11
    $250.00

  2. Parallax - 100 mm OD Tube Rings (Orion ED80 and ED100)

    Parallax - 100 mm OD Tube Rings (Orion ED80 and ED100)

    Parallax - 100mm OD Tube Rings (Orion ED80 and ED100)These 100mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_100mm
    $125.00

  3. Parallax - 10.3 " OD Tube Rings (Celestron C-9.25)

    Parallax - 10.3 " OD Tube Rings (Celestron C-9.25)

    Parallax - 10.3" OD Tube Rings (Celestron C-9.25)These 10.3" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ptr_10.3
    $250.00

  4. Parallax - 10 " OD Tube Rings

    Parallax - 10 " OD Tube Rings

    Parallax - 10" OD Tube Rings These 10" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ptr_10
    $215.00

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Parallax Instruments, Inc., founded in 1991, is a full-time business devoted to the manufacture of precision astronomical telescopes and equatorial mountings. Armed with a fully equipped machine shop our experienced machinists are capable of turning out just about any custom job. Our professional welder has produced some of the finest observatory piers, each carefully engineered for function and strength. Our motto is "If you can sketch it, we most likely can build it.