Parallax Instruments

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

    $5,900.00
    SKU: PI250DK

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  2. Parallax- PI320DK, 12.5 " F/20 Dall-Kirkham Cassegrain telescope

    $9,800.00
    SKU: PI320DK

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  3. Parallax - Portable Piers up to 20" High

    $1,100.00
    SKU: PP20

    Wait Time is 3-5 Days

    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!

    FREE SHIPPING(48 States)
  4. Parallax - Portable Piers from 49" to 72" High

    $1,200.00
    SKU: pp49-72

    Wait Time is 3-5 Days

    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!

    FREE SHIPPING(48 States)
  5. Parallax - Portable Piers from 21" to 48" High

    $1,150.00
    SKU: PP21-48

    Wait Time is 3-5 Days

    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!

    FREE SHIPPING(48 States)
  6. Parallax - PI400DK - 16" f/20 Dall-Kirkham Cassegrain Telescope

    $14,800.00
    SKU: PI400DK

    Wait Time is 3-5 Days

    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

    FREE SHIPPING(48 States)
  7. Parallax - PI370DK, 14.5 " F/20 Dall-Kirkham Cassegrain Telescope

    $12,800.00
    SKU: PI370DK

    Wait Time is 3-5 Days

    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

    FREE SHIPPING(48 States)
  8. Parallax - 95 mm OD Tube Rings (Takahashi FS - 78, Sky - 90, Takahashi FSQ-85)

    $125.00
    SKU: PTR_95MM

    Wait Time is 3-5 Days

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

    $600.00
    SKU: prtr_9.5

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  10. Parallax - 9.5 " OD Tube Rings (Starfinder 8 ")

    $220.00
    SKU: ptr_9.5

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  11. Parallax - 9.1 " OD Tube Rings (Meade 8 " SCT)

    $250.00
    SKU: ptr_9.1

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  12. Parallax - 9 " OD Tube Rings (D&G 8 " Refractor)

    $220.00
    SKU: ptr_9

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  13. Parallax - 8.9 " OD Tube Rings (Celestron C-8)

    $220.00
    SKU: ptr_8.9

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  14. Parallax - 8 " OD Tube Rings (Meade 178 ED, Astro-Physics 180 EDT, Takahashi MT - 160, Epsilon 160)

    $230.00
    SKU: ptr_8

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  15. Parallax - 7.64" Rotating Rings (MN-66)

    $500.00
    SKU: prtr_7.64

    Wait Time is 3-5 Days

    Parallax - 7.64" Rotating Tube Rings (for MN-66) The most accurate way to re-position the eyepiece on EQ mounted Newtonians
    FREE SHIPPING(48 States)
  16. Parallax - 7.5 " OD Tube Rings (Starfinder 6 ", Parks 6 ")

    $200.00
    SKU: PTR_7.5

    Wait Time is 3-5 Days

    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
  17. Parallax - 7 " Rotating Rings (Ceravolo HD145)

    $500.00
    SKU: prtr_7

    Wait Time is 3-5 Days

    Parallax - 7" Rotating Tube Rings (for Ceravolo HD145) The most accurate way to re-position the eyepiece on EQ mounted Newtonians
    FREE SHIPPING(48 States)
  18. Parallax - 7 " OD Tube Rings (Meade 152 ED, D&G 6 " Refractor)

    $170.00
    SKU: PTR_7

    Wait Time is 3-5 Days

    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
  19. Parallax - 6.5" Rotating Rings (MN-56)

    $500.00
    SKU: prtr_6.5

    Wait Time is 3-5 Days

    Parallax - 6.5" Rotating Tube Rings (for MN-56) The most accurate way to re-position the eyepiece on EQ mounted Newtonians
    FREE SHIPPING(48 States)
  20. Parallax - 6.5 " OD Tube Rings (Astro-Physics 155 EDF Refractor)

    $180.00
    SKU: ptr_6.5

    Wait Time is 3-5 Days

    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
Showing 1 to 20 of 56 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.