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Parallax Instruments

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  1. 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

  2. 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
    $125.00

  3. 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

  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. 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

  6. 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

  7. Parallax - 7.64 " rotating rings (MN-66)

    Parallax - 7.64 " rotating rings (MN-66)

    Parallax - 7.64" Rotating Tube Rings (for MN-66) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_7.64
    $420.00

  8. 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

  9. 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
    $200.00

  10. Parallax-PI250DK 10" Dall-Kirkham F/20 Cassegrain Telescope

    Parallax-PI250DK 10" Dall-Kirkham F/20 Cassegrain Telescope

    Parallax also offers Classical Cassegrain and Dall-Kirkham Cassegrain telescopes in 10", 12.5", 14.5", and 16" apertures. The Classical Cassegrain offers a very long focal length in a relatively compact tube. Includes 2" Feather Touch or 2 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: PI250DK
    $5,900.00

  11. Parallax - 10 " OD Tube Rings

    Parallax - 10 " OD Tube Rings

    Parallax - 10" OD Tube Rings These 10" 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_10
    $215.00

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. Parallax - 6.5 " rotating rings (MN-56)

    Parallax - 6.5 " rotating rings (MN-56)

    Parallax - 6.5" Rotating Tube Rings (for MN-56) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_6.5
    $390.00

  18. 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
    $180.00

  19. Parallax - 12 " rotating rings (for model PI250 and 12 " alum. tubes)

    Parallax - 12 " rotating rings (for model PI250 and 12 " alum. tubes)

    Parallax - 12" Rotating Tube Rings (for PI 250 and 12" alum. tubes) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: prtr_12
    $540.00

  20. /

    Parallax-Portable piers from 21" to 48" 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 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: pp21-48
    $925.00

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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.