Parallax Instruments

Showing 1 to 20 of 56 total
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  1. Parallax - 10.3 " OD Tube Rings (Celestron C-9.25)

    $250.00
    SKU: PTR_10.3

    Ships in 3-5 Days

    Parallax - 10.3" OD Tube Rings (Celestron C-9.25)These 10.3" outside diameter split tube rings are made of die-cast aluminum, finished in gloss black paint, and lined with felt
    FREE SHIPPING(48 States)
  2. Parallax - PI370DK, 14.5 " F/20 Dall-Kirkham Cassegrain Telescope

    $12,800.00
    SKU: PI370DK

    Ships in 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 - 12 " OD Tube Rings (Celestron C-11)

    $250.00
    SKU: PTR_12

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  4. Parallax - 3 " OD Tube Rings (TeleVue TV-85 Refractor)

    $105.00
    SKU: ptr_3

    Ships in 3-5 Days

    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
  5. Parallax - 15.3 " OD Tube Rings (Celestron C-14)

    $410.00
    SKU: ptr_15.3

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  6. Parallax - 125 mm OD Tube Rings (Takahashi FSQ-106ED)

    $175.00
    SKU: PTR_125MM

    Ships in 3-5 Days

    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
  7. Parallax - 19 " OD Tube Rings (Meade DS16A, 16 " Starfinder)

    $549.00
    SKU: ptr_19

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  8. Parallax - 155 mm OD Tube Rings (Takahashi FS 152, Takahashi TOA-130)

    $195.00
    SKU: PTR_155MM

    Ships in 3-5 Days

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

    $500.00
    SKU: prtr_7

    Ships in 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)
  10. Parallax - 8 " OD Tube Rings (Meade 178 ED, Astro-Physics 180 EDT, Takahashi MT - 160, Epsilon 160)

    $230.00
    SKU: ptr_8

    Available - Typically ships in 1-3 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)
  11. Parallax - 15" Rotating Rings (for model PI320)

    $900.00
    SKU: prtr_15

    Ships in 3-5 Days

    Parallax - 15" Rotating Tube Rings (for PI 1320) The most accurate way to re-position the eyepiece on EQ mounted Newtonians
    FREE SHIPPING(48 States)
  12. Parallax - 9.5 " OD Tube Rings (Starfinder 8 ")

    $220.00
    SKU: ptr_9.5

    Ships in 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)
  13. Parallax-PI250DK 10" Dall-Kirkham F/20 Cassegrain Telescope

    $5,900.00
    SKU: PI250DK

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

    $300.00
    SKU: ptr_11.75

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  15. Parallax - 14 " OD Tube Rings

    $380.00
    SKU: ptr_14

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  16. Parallax - 4 " OD Tube Rings (Genesis, Genesis SDF, TV-101, TV-102, NP-101, Orion ED80)

    $125.00
    SKU: PTR_4

    Ships in 3-5 Days

    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
  17. Parallax - 16.4 " OD Tube Rings (Parks 12.5 " Newtonian)

    $430.00
    SKU: PTR_16.4

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  18. Parallax - 145 mm OD Tube Rings (Takahashi FS 128)

    $210.00
    SKU: PTR_145MM

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  19. Parallax - 26.4 " OD Tube Rings

    $689.00
    SKU: ptr_26.4

    Ships in 3-5 Days

    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
    FREE SHIPPING(48 States)
  20. Parallax - 179 mm tube rings for Takahashi TOA-150 refractor

    $325.00
    SKU: PTR_179MM

    In stock

    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
    FREE SHIPPING(48 States)
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.