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Parallax Instruments

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  1. 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

  2. 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

  3. 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

  4. 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

  5. Parallax 7 " Rotating Rings (Ceravolo HD145)

    Parallax - 7 " Rotating Rings (Ceravolo HD145)

    Parallax - 7" Rotating Tube Rings (for Ceravolo HD145) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_7
    $390.00

  6. 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

  7. 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

  8. 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
    $200.00

  9. Parallax - Portable Piers from 49" to 72" High

    Parallax - Portable Piers from 49" to 72" High

    These are the exact same portable piers that are supplied with our heavy duty HD series German equatorial mounts.   FEATURES10" OD x .090" wall thickness aluminum - reinforced at the bottom for strength, yet light in weight

    Please indicate what height you need the portable pier to be during the checkout process!

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: pp49-72
    $975.00

  10. 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
    $200.00

  11. 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

  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 - 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

  14. 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

  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
    $600.00

  16. 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

  17. Parallax - 10" Rotating Rings (for model PI200 and 10 " alum. tubes)

    Parallax - 10" Rotating Rings (for model PI200 and 10 " alum. tubes)

    Parallax - 10" Rotating Tube Rings (for PI 200 and 10" alum. tubes) The most accurate way to re-position the eyepiece on EQ mounted Newtonians

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_10
    $490.00

  18. 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

  19. Parallax Portable Piers up to 20" High

    Parallax - Portable Piers up to 20" High

    These are the exact same portable piers that are supplied with our heavy duty HD series German equatorial mounts.   FEATURES10" OD x .090" wall thickness aluminum - reinforced at the bottom for strength, yet light in weight

    Please indicate what height you need the portable pier to be during the checkout process!

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: pp20
    $875.00

  20. 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
    $250.00

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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.