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Telescope Parts

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  1. AstroSystems - 5.0 " Secondary Mirror

    AstroSystems - 5.0 " Secondary Mirror

    AstroSystems Secondary MirrorsPrecision Secondary Mirrors - the best!Our superior quality elliptical secondary mirrors are made of precision annealed Pyrex blanks, ground to the exact minor axis dimension ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_SM_5.00
    $640.00

  2. AstroSystems - 5.0 " Secondary Holder - 3/8 " shaft

    AstroSystems - 5.0 " Secondary Holder - 3/8 " shaft

    The larger holders over 4" have a proportionately thicker shell for proper support of thicker, heavier secondaries and a 3/8" mounting stud. They utilize 1" long thumbscrews for easy, no tools collimation. Holders from 4.0" to 7 ... Learn More
    Model#: AS_SH_5.00
    $68.00

  3. AstroSystems - 40.6 " Round Groundboard For 32 " telescopes - with 18.8 " bearing

    AstroSystems - 40.6 " Round Groundboard For 32 " telescopes - with 18.8 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_RGB_40.6
    $249.00

  4. AstroSystems - 4.5 " Secondary Mirror

    AstroSystems - 4.5 " Secondary Mirror

    AstroSystems Secondary MirrorsPrecision Secondary Mirrors - the best!Our superior quality elliptical secondary mirrors are made of precision annealed Pyrex blanks, ground to the exact minor axis dimension ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_SM_4.50
    $565.00

  5. AstroSystems - 4.5 " Secondary Holder - 3/8 " shaft

    AstroSystems - 4.5 " Secondary Holder - 3/8 " shaft

    The larger holders over 4" have a proportionately thicker shell for proper support of thicker, heavier secondaries and a 3/8" mounting stud. They utilize 1" long thumbscrews for easy, no tools collimation. Holders from 4.0" to 7 ... Learn More
    Model#: AS_SH_4.50
    $60.00

  6. AstroSystems - 4.0 " Secondary Mirror

    AstroSystems - 4.0 " Secondary Mirror

    AstroSystems - 4 ... Learn More
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    (48 States)
    Model#: AS_SM_4.00
    $465.00

  7. AstroSystems - 38.6 " Round Groundboard For 30 " telescopes - with 17.8 " bearing

    AstroSystems - 38.6 " Round Groundboard For 30 " telescopes - with 17.8 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_RGB_38.6
    $229.00

  8. AstroSystems - 36.4 " Round Groundboard For 28 " telescopes - with 16.7 " bearing

    AstroSystems - 36.4 " Round Groundboard For 28 " telescopes - with 16.7 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_RGB_36.4
    $209.00

  9. AstroSystems - 36 " Altitude Bearings Double Layer 3/4 " Baltic Birch (1.4 " wide) Spoked

    AstroSystems - 36 " Altitude Bearings Double Layer 3/4 " Baltic Birch (1.4 " wide) Spoked

    AstroSystems Altitude Bearings: 36 Inch Long, Double Layer 3/4" Baltic Birch Ply (1 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_AB_36-0.75
    $310.00

  10. AstroSystems - 33.5 " Round Groundboard For 25 " telescopes - with 15.2 " bearing

    AstroSystems - 33.5 " Round Groundboard For 25 " telescopes - with 15.2 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    Model#: AS_RGB_33.5
    $199.00

  11. AstroSystems - 32.2 " Round Groundboard For 24 " telescopes - with 14.6 " bearing

    AstroSystems - 32.2 " Round Groundboard For 24 " telescopes - with 14.6 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    Model#: AS_RGB_32.2
    $189.00

  12. AstroSystems - 32.0 " Primary Mirror Cell

    AstroSystems - 32.0 " Primary Mirror Cell

    AstroSystems Primary Mirror CellAstroSystems computer designed Primary Mirror Cells are made from a frame of 1.4" thick, 26 layer aircraft plywood for strength and rigidity on 18" and larger cells and 1" thick, 22 layer on 16" and smaller cells ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_PMC_32.0
    $900.00

  13. AstroSystems - 30.0 " Primary Mirror Cell

    AstroSystems - 30.0 " Primary Mirror Cell

    AstroSystems Primary Mirror CellAstroSystems computer designed Primary Mirror Cells are made from a frame of 1.4" thick, 26 layer aircraft plywood for strength and rigidity on 18" and larger cells and 1" thick, 22 layer on 16" and smaller cells ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_PMC_30.0
    $800.00

  14. AstroSystems - 30 " Altitude Bearings Double Layer 3/4 " Baltic Birch (1.4 " wide) Spoked

    AstroSystems - 30 " Altitude Bearings Double Layer 3/4 " Baltic Birch (1.4 " wide) Spoked

    AstroSystems Altitude Bearings: 30 Inch Long, Double Layer 3/4" Baltic Birch Ply (1 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_AB_30-0.75
    $260.00

  15. AstroSystems - 30 " Altitude Bearings Double Layer 1/2 " Baltic Birch (0.95 " wide) Spoked

    AstroSystems - 30 " Altitude Bearings Double Layer 1/2 " Baltic Birch (0.95 " wide) Spoked

    AstroSystems Altitude Bearings: 30 Inch Long, Double Layer 1/2" Baltic Birch Ply (0 ... Learn More
    Model#: AS_AB_30-0.5
    $175.00

  16. AstroSystems - 3.5 " Secondary Mirror

    AstroSystems - 3.5 " Secondary Mirror

    AstroSystems Secondary MirrorsPrecision Secondary Mirrors - the best!Our superior quality elliptical secondary mirrors are made of precision annealed Pyrex blanks, ground to the exact minor axis dimension ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_SM_3.50
    $365.00

  17. AstroSystems - 3.1 " Secondary Mirror

    AstroSystems - 3.1 " Secondary Mirror

    AstroSystems Secondary MirrorsPrecision Secondary Mirrors - the best!Our superior quality elliptical secondary mirrors are made of precision annealed Pyrex blanks, ground to the exact minor axis dimension ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_SM_3.10
    $240.00

  18. AstroSystems - 29.8 " Round Groundboard For 22 " telescopes - with 13.9 " bearing

    AstroSystems - 29.8 " Round Groundboard For 22 " telescopes - with 13.9 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    Model#: AS_RGB_29.8
    $159.00

  19. AstroSystems - 28.0 " Primary Mirror Cell

    AstroSystems - 28.0 " Primary Mirror Cell

    AstroSystems Primary Mirror CellAstroSystems computer designed Primary Mirror Cells are made from a frame of 1.4" thick, 26 layer aircraft plywood for strength and rigidity on 18" and larger cells and 1" thick, 22 layer on 16" and smaller cells ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: AS_PMC_28.0
    $700.00

  20. AstroSystems - 27.8 " Round Groundboard For 20 " telescopes - with 12.9 " bearing

    AstroSystems - 27.8 " Round Groundboard For 20 " telescopes - with 12.9 " bearing

    AstroSystems Round Ground Board Retrofiting your telescope with a GOTO drive?  Use our precision CNC cut round Ground Board for accuracy ... Learn More
    Model#: AS_RGB_27.8
    $149.00

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