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Parallax Instruments

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  1. Parallax - 95 mm OD Tube Rings (Takahashi FS - 78, Sky - 90, Takahashi FSQ-85)

    Parallax - 95 mm OD Tube Rings (Takahashi FS - 78, Sky - 90, Takahashi FSQ-85)

    Parallax - 95mm OD Tube Rings (Takahashi FS-78, Sky-90, Takahashi FSQ-85)These 95mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: PTR_95MM

    Available - Ships in 2-4 Days

    $125.00

  2. Parallax - 9.5 " OD Tube Rings (Starfinder 8 ")

    Parallax - 9.5 " OD Tube Rings (Starfinder 8 ")

    Parallax - 9.5" OD Tube Rings (Starfinder 8")These 9.5" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_9.5

    Available - Ships in 2-4 Days

    $200.00

  3. Parallax - 9.1 " OD Tube Rings (Meade 8 " SCT)

    Parallax - 9.1 " OD Tube Rings (Meade 8 " SCT)

    Parallax - 9.1" OD Tube Rings (Meade 8" SCT)These 9.1" 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_9.1

    Available - Ships in 2-4 Days

    $250.00

  4. Parallax - 9 " OD Tube Rings (D&G 8 " Refractor)

    Parallax - 9 " OD Tube Rings (D&G 8 " Refractor)

    Parallax - 9" OD Tube Rings (D&G 8" Refractor)These 9" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_9

    Available - Ships in 2-4 Days

    $200.00

  5. Parallax - 8.9 " OD Tube Rings (Celestron C-8)

    Parallax - 8.9 " OD Tube Rings (Celestron C-8)

    Parallax - 8.9" OD Tube Rings (Celestron C-8)These 8.9" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_8.9

    Available - Ships in 2-4 Days

    $200.00

  6. Parallax - 8 " OD Tube Rings (Meade 178 ED, Astro-Physics 180 EDT, Takahashi MT - 160, Epsilon 160)

    Parallax - 8 " OD Tube Rings (Meade 178 ED, Astro-Physics 180 EDT, Takahashi MT - 160, Epsilon 160)

    Parallax - 8" OD Tube Rings (Meade 178 ED, Astro-Physics 180 EDT, Takahashi MT-160, Epsilon 160)These 8" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_8

    Available - Typically ships in 1-3 Days

    $200.00

  7. Parallax - 7.5 " OD Tube Rings (Starfinder 6 ", Parks 6 ")

    Parallax - 7.5 " OD Tube Rings (Starfinder 6 ", Parks 6 ")

    Parallax - 7.5" OD Tube Rings (Starfinder 6", Parks 6")These 7.5" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_7.5

    Available - Ships in 2-4 Days

    $180.00

  8. Parallax - 7 " OD Tube Rings (Meade 152 ED, D&G 6 " Refractor)

    Parallax - 7 " OD Tube Rings (Meade 152 ED, D&G 6 " Refractor)

    Parallax - 7" OD Tube Rings (Meade 152 ED, D&G 6" Refractor)These 7" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_7

    Available - Ships in 2-4 Days

    $170.00

  9. 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

    Available - Typically ships in 1-3 Days

    $170.00

  10. 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

    Available - Ships in 2-4 Days

    $160.00

  11. 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

    Available - Typically ships in 1-3 Days

    $160.00

  12. 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

    Available - Ships in 2-4 Days

    $149.00

  13. 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

    Available - Ships in 2-4 Days

    $125.00

  14. 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

    Available - Ships in 2-4 Days

    $105.00

  15. 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

    Available - Ships in 2-4 Days

    $600.00

  16. 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

    Available - Ships in 2-4 Days

    Regular Price: $250.00

    Special Price: $199.00

  17. 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

    Available - Ships in 2-4 Days

    $419.00

  18. 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

    Available - Ships in 2-4 Days

    $389.00

  19. 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

    Available - Ships in 2-4 Days

    $429.00

  20. 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

    Available - Ships in 2-4 Days

    $295.00

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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.