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Parallax Instruments

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  1. ptr_26.4

    Parallax - 26.4 " OD Tube Rings

    Parallax - 26.4" OD Tube Rings These 26.4" 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_26.4
    $600.00

  2. Parallax - 15" Rotating Rings (for model PI320)

    Parallax - 15" Rotating Rings (for model PI320)

    Parallax - 15" Rotating Tube Rings (for PI 1320) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_15
    $695.00

  3. Parallax - 16.5" Rotating Rings (for Parks 12.5" Newtonian)

    Parallax - 16.5" Rotating Rings (for Parks 12.5" Newtonian)

    Parallax - 16.5" Rotating Tube Rings (for Parks 12.5" Newtonian) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_16
    $695.00

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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.