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Parallax Instruments

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  1. Parallax - 6.5 " OD Tube Rings (Astro-Physics 155 EDF Refractor)

    Parallax - 6.5 " OD Tube Rings (Astro-Physics 155 EDF Refractor)

    Parallax - 6.5" OD Tube Rings (Astro-Physics 155 EDF Refractor)These 6.5" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_6.5
    $170.00

  2. Parallax - 6 " OD Tube Rings (D&G 5 " Refractor and TEC 140 APO)

    Parallax - 6 " OD Tube Rings (D&G 5 " Refractor and TEC 140 APO)

    Parallax - 6" OD Tube Rings (D&G 5" Refractor, TEC 140 APO)These 6" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_6
    $160.00

  3. Parallax - 5.5 " OD Tube Rings (Astro-Physics 130 EDT, Meade 127EDT, Celestron C-5, Pentax 125)

    Parallax - 5.5 " OD Tube Rings (Astro-Physics 130 EDT, Meade 127EDT, Celestron C-5, Pentax 125)

    Parallax - 5.5" OD Tube Rings (Astro-Physics 130EDT, Meade 127EDT, Celestron C-5, Pentax 125)These 5.5" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_5.5
    $160.00

  4. Parallax - 5 " OD Tube Rings (TeleVue NP-127)

    Parallax - 5 " OD Tube Rings (TeleVue NP-127)

    Parallax - 5" OD Tube Rings (TeleVue NP-127)These 5" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_5
    $149.00

  5. Parallax - 4 " OD Tube Rings (Genesis, Genesis SDF, TV-101, TV-102, NP-101, Orion ED80)

    Parallax - 4 " OD Tube Rings (Genesis, Genesis SDF, TV-101, TV-102, NP-101, Orion ED80)

    Parallax - 4" OD Tube Rings (Genesis, Genesis SDF, TV-101, TV-102, NP-101, Orion ED80)These 4" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_4
    $125.00

  6. ptr_3

    Parallax - 3 " OD Tube Rings (TeleVue TV-85 Refractor)

    Parallax - 3" OD Tube Rings (TeleVue TV-85 Refractor)These 3" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_3
    $105.00

  7. 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

  8. Parallax - 232 mm OD Tube Rings (Takahashi E-180, Vixen Visac 200 Newtonian)

    Parallax - 232 mm OD Tube Rings (Takahashi E-180, Vixen Visac 200 Newtonian)

    Parallax - 232mm OD Tube Rings (Takahashi E-180, Vixen Visac 200 Newtonian)These 232mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_232mm

    Regular Price: $250.00

    Special Price: $199.00

  9. ptr_22.4

    Parallax - 22.4 " OD Tube Rings

    Parallax - 22.4" OD Tube RingsThese 22.4" 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_22.4
    $419.00

  10. ptr_20.7

    Parallax - 20.7 " OD Tube Rings

    Parallax - 20.7" OD Tube Rings These 20.7" 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_20.7
    $389.00

  11. Parallax - 19 " OD Tube Rings (Meade DS16A, 16 " Starfinder)

    Parallax - 19 " OD Tube Rings (Meade DS16A, 16 " Starfinder)

    Parallax - 19" OD Tube Rings (Meade DS16A, 16" Starfinder)These 19" 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_19
    $429.00

  12. Parallax - 179 mm tube rings for Takahashi TOA-150 refractor

    Parallax - 179 mm tube rings for Takahashi TOA-150 refractor

    Parallax - 179mm Tube Rings (Takahashi TOA-150 Refractor)These 179mm 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_179mm
    $295.00

  13. ptr_17.5

    Parallax - 17.5 " OD Tube Rings (Meade 16 " SCT)

    Parallax - 17.5" OD Tube Rings (Meade 16" SCT)These 17.5" 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_17.5
    $429.00

  14. 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

  15. ptr_16.4

    Parallax - 16.4 " OD Tube Rings (Parks 12.5 " Newtonian)

    Parallax - 16.4" OD Tube Rings (Parks 12.5" Newtonian)These 16.4" 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_16.4
    $369.00

  16. ptr_16

    Parallax - 16 " OD Tube Rings

    Parallax - 16" OD Tube Rings These 16" 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_16
    $319.00

  17. Parallax - 155 mm OD Tube Rings (Takahashi FS 152, Takahashi TOA-130)

    Parallax - 155 mm OD Tube Rings (Takahashi FS 152, Takahashi TOA-130)

    Parallax - 155mm OD Tube Rings (Takahashi FS 152, Takahashi TOA-130)These 155mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_155mm
    $195.00

  18. ptr_15.7

    Parallax - 15.7 " OD Tube Rings (Meade 14 " SCT)

    Parallax - 15.7" OD Tube Rings (Meade 14" SCT)These 15.7" 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_15.7
    $319.00

  19. ptr_15.3

    Parallax - 15.3 " OD Tube Rings (Celestron C-14)

    Parallax - 15.3" OD Tube Rings (Celestron C-14)These 15.3" 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_15.3
    $319.00

  20. 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

Items 21 to 40 of 57 total

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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.