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Parallax Instruments

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  1. 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

    Available - Ships in 2-4 Days

    $5,900.00

  2. Parallax- PI320DK, 12.5 " F/20 Dall-Kirkham Cassegrain telescope

    Parallax- PI320DK, 12.5 " F/20 Dall-Kirkham 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#: PI320DK

    Available - Ships in 2-4 Days

    $9,800.00

  3. Parallax - Telescope Mounting Rings for the Takahashi FSQ-106ED - 125mm

    Parallax - Telescope Mounting Rings for the Takahashi FSQ-106ED - 125mm

    These 125mm outside diameter split tube rings are specifically designed for the Takahashi FSQ106ED, aka the "New Q. They are made of die-cast aluminum, finished in gloss black paint, and lined with felt ... Learn More
    Model#: 125MM

    Available - Ships in 2-4 Days

    $160.00

  4. 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
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    (48 States)
    Model#: PP20

    Available - Ships in 2-4 Days

    $1,100.00

  5. 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
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    (48 States)
    Model#: pp49-72

    Available - Ships in 2-4 Days

    $1,200.00

  6. Parallax Portable Piers from 21" to 48" High

    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

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: PP21-48

    Available - Ships in 2-4 Days

    $1,150.00

  7. 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

  8. Parallax - 9.5" Rotating Rings (Parks 8 " and Starfinder 8 " Newtonians)

    Parallax - 9.5" Rotating Rings (Parks 8 " and Starfinder 8 " Newtonians)

    Parallax - 9.5" Rotating Tube Rings (for Parks 8" and Starfinder 8" Newtonians) The most accurate way to re-position the eyepiece on EQ mounted Newtonians ... Learn More
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    (48 States)
    Model#: prtr_9.5

    Available - Ships in 2-4 Days

    $450.00

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

    Available - Ships in 2-4 Days

    $420.00

  15. 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

  16. 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
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    (48 States)
    Model#: prtr_7

    Available - Ships in 2-4 Days

    $390.00

  17. 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

  18. 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

    Available - Ships in 2-4 Days

    $390.00

  19. 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

  20. 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

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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.