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Parallax Instruments

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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. ptr_15

    Parallax - 15 " OD Tube Rings

    Parallax - 15" OD Tube Rings These 15" 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
    $309.00

  11. Parallax - 145 mm OD Tube Rings (Takahashi FS 128)

    Parallax - 145 mm OD Tube Rings (Takahashi FS 128)

    Parallax - 145mm OD Tube Rings (Takahashi FS 128)These 145mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_145mm
    $195.00

  12. Parallax - 14 " OD Tube Rings

    Parallax - 14 " OD Tube Rings

    Parallax - 14" OD Tube Rings These 14" 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_14
    $369.00

  13. Parallax - 13.6 " OD Tube Rings (Meade 12 " SCT)

    Parallax - 13.6 " OD Tube Rings (Meade 12 " SCT)

    Parallax - 13.6" OD Tube Rings (Meade 12" SCT)These 13.6" 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_13.6
    $289.00

  14. ptr_125mm

    Parallax - 125 mm OD Tube Rings (Takahashi FSQ-106ED)

    Parallax - 125mm OD Tube Rings (Takahashi FSQ-106ED)These 125mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_125mm
    $160.00

  15. Parallax - 12.7 " OD Tube Rings (Meade 10 " Starfinder)

    Parallax - 12.7 " OD Tube Rings (Meade 10 " Starfinder)

    Parallax - 12.7" OD Tube Rings (Meade 10" Starfinder)These 12.7" 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_12.7
    $230.00

  16. Parallax - 12 " OD Tube Rings (Celestron C-11)

    Parallax - 12 " OD Tube Rings (Celestron C-11)

    Parallax - 12" OD Tube Rings (Celestron C-11, Parks 10" Newtonian, Meade 10" SCT)These 12" 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_12
    $230.00

  17. Parallax - 12 " extra heavy duty tube rings- for 10"-12 " refractors

    Parallax - 12 " extra heavy duty tube rings- for 10"-12 " refractors

    Parallax - 12" OD Extra Heavy Duty Tube Rings for 10"-12" RefractorsThese 12" outside diameter split tube rings are made of extra heavy die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ptr_12_xhd
    $400.00

  18. ptr_114mm

    Parallax - 114 mm OD Tube Rings (102 ED/APO, Takahashi FS-102 and FSQ-106, 4 " Unitron)

    Parallax - 114mm OD Tube Rings (102 ED/APO, Takahashi FS-102 & FSQ-106, 4" Unitron)These 114mm outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: ptr_114mm
    $125.00

  19. Parallax - 11.75 " OD Tube Rings (Meade 10 " SCT, Deep Sky Instruments RC-10)

    Parallax - 11.75 " OD Tube Rings (Meade 10 " SCT, Deep Sky Instruments RC-10)

    Parallax - 11.75 OD Tube Rings (Meade 10" SCT, Deep Sky Instruments RC-10)These 11.75" 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_11.75
    $280.00

  20. Parallax - 11.63 " OD Tube Rings (Meade SN-10 Newtonian)

    Parallax - 11.63 " OD Tube Rings (Meade SN-10 Newtonian)

    Parallax - 11.63" OD Tube Rings (Meade SN-10 Newtonian)These 11.63" 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_11.63
    $260.00

Items 21 to 40 of 44 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.