Save up to $300 on ZWO AM5 and AM3 mount packages while supplies last!Save up to $300 on ZWO AM5 and AM3 mount packages while supplies last!

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Telescope Optical Tubes

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  1. Sharpstar 130mm f/2.8 HNT Hyperbolic Newtonian Astrograph # 13028HNT - Available in 3 Colors
    Sharpstar 130mm f/2.8 HNT Hyperbolic Newtonian Astrograph # 13028HNT - Available in 3 Colors
    From Our Price: $1,795.00
    More Info
    Free Contiguous US Shipping
  2. New
    Takahashi E-130 Epsilon 130mm f/3.3 ED Astrograph OTA # TEK13010
    Takahashi E-130 Epsilon 130mm f/3.3 ED Astrograph OTA # TEK13010
    Our Price: $2,990.00
    Out of Stock
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  3. On Sale
    ZWO FF130 Apo 130mm f/7.7 Petzval Refractor Telescope # FF130-APO
    ZWO FF130 Apo 130mm f/7.7 Petzval Refractor Telescope # FF130-APO
    Sale Price: $2,999.00 Our Price: $3,499.00
    Out of Stock
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  4. William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with FT Focuser Upgrade & Carry Case - Gold # A-F132GDIV-FTR
    William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with FT Focuser Upgr...
    Our Price: $5,668.00
    Special Order
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  5. William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with FT Focuser Upgrade & Carry Case - Red # A-F132RDIV-FTR
    William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with FT Focuser Upgr...
    Our Price: $5,668.00
    Out of Stock
    Free Contiguous US Shipping
  6. William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with Carry Case - Space Gray # A-F132TGIV-RP37R
    William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with Carry Case - Sp...
    Our Price: $4,378.00
    In Stock
    Free Contiguous US Shipping
  7. William Optics FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with FT Focuser Upgrade & Carry Case - Space Gray # A-F132TGIV-FTR
    William Optics FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with FT Focuser Upgrade ...
    Our Price: $5,668.00
    Out of Stock
    Free Contiguous US Shipping
  8. William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with Carry Case - Gold # A-F132GDIV-RP37R
    William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with Carry Case - Go...
    Our Price: $4,378.00
    In Stock
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  9. William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with Carry Case - Red # A-F132RDIV-RP37R
    William Optics New FLT 132 Fluorostar 132mm f/6.9 Triplet Apo Refractor with Carry Case - Re...
    Our Price: $4,378.00
    In Stock
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  10. Closeout
    * Clearance * Sharpstar 140mm f/6.5 ED Triplet Apo Refractor Telescope # AL-140PH
    * Clearance * Sharpstar 140mm f/6.5 ED Triplet Apo Refractor Telescope # AL-140PH
    Sale Price: $3,499.00 Our Price: $3,999.00
    In Stock
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  11. Askar 140 APO 140mm f/7 Triplet Refractor Telescope # 140APO
    Askar 140 APO 140mm f/7 Triplet Refractor Telescope # 140APO
    Our Price: $1,999.00
    Out of Stock
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  12. GSO 6" f/5 Newtonian Reflector Telescope with LB Focuser Upgrade - Steel OTA (White) # GS500-LRN
    GSO 6" f/5 Newtonian Reflector Telescope with LB Focuser Upgrade - Steel OTA (White) # GS500...
    Our Price: $389.00
    Out of Stock
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  13. GSO 6" f/6 Newtonian Reflector Telescope with LB Focuser Upgrade - Steel OTA (White) # GS530-LRN
    GSO 6" f/6 Newtonian Reflector Telescope with LB Focuser Upgrade - Steel OTA (White) # GS530...
    Our Price: $389.00
    Out of Stock
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  14. Sharpstar 150mm f/2.8 HNT Hyperbolic Newtonian Astrograph # 15028HNT
    Sharpstar 150mm f/2.8 HNT Hyperbolic Newtonian Astrograph # 15028HNT
    From Our Price: $2,100.00
    More Info
    Free Contiguous US Shipping
  15. GSO 6" f/4 Imaging Newtonian Reflector Telescope with EAF-Compatible LB Focuser - Steel OTA (White) # GS550-LRN-D
    GSO 6" f/4 Imaging Newtonian Reflector Telescope with EAF-Compatible LB Focuser - Steel OTA ...
    Our Price: $439.00
    In Stock
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  16. GSO 6" f/12 Classical Cassegrain Reflector Telescope OTA (Black)
    GSO 6" f/12 Classical Cassegrain Reflector Telescope OTA (Black)
    Our Price: $599.00
    Out of Stock
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  17. GSO 6" f/12 Classical Cassegrain Reflector Telescope OTA (White)
    GSO 6" f/12 Classical Cassegrain Reflector Telescope OTA (White)
    Our Price: $599.00
    Out of Stock
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  18. GSO 6" f/4 Imaging Newtonian Reflector Telescope with LB Focuser - Steel OTA (White) # GS550-LRN
    GSO 6" f/4 Imaging Newtonian Reflector Telescope with LB Focuser - Steel OTA (White) # GS550...
    Our Price: $399.00
    In Stock
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  19. Sky-Watcher EvoStar 150 150mm f/8 Apo Refractor # S11190
    Sky-Watcher EvoStar 150 150mm f/8 Apo Refractor # S11190
    Our Price: $3,000.00
    In Stock
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  20. On Sale
    Sky-Watcher EvoStar 150DX 150mm f/8 Apo Refractor # S11195
    Sky-Watcher EvoStar 150DX 150mm f/8 Apo Refractor # S11195
    Sale Price: $3,199.00 Our Price: $4,100.00
    In Stock
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  21. GSO 6" f/5 Newtonian Reflector Telescope - Steel OTA (White) # GS500
    GSO 6" f/5 Newtonian Reflector Telescope - Steel OTA (White) # GS500
    Our Price: $349.00
    In Stock
    Free Contiguous US Shipping
  22. GSO 6" f/6 Newtonian Reflector Telescope - Steel OTA (White) # GS530
    GSO 6" f/6 Newtonian Reflector Telescope - Steel OTA (White) # GS530
    Our Price: $349.00
    In Stock
    Free Contiguous US Shipping
  23. Sky-Watcher Esprit 150mm ED Triplet Apo Refractor OTA # S11430
    Sky-Watcher Esprit 150mm ED Triplet Apo Refractor OTA # S11430
    Our Price: $8,250.00
    In Stock
    Free Contiguous US Shipping
  24. Askar 151PHQ 151mm f/7 Quadruplet Flat Field Refractor # 151PHQ
    Askar 151PHQ 151mm f/7 Quadruplet Flat Field Refractor # 151PHQ
    Our Price: $4,399.00
    Out of Stock
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  1. closeout 1 item
  2. coming-soon 5 items
  3. discontinued 6 items
  4. new 83 items
  5. sale 1 item
  6. special 6 items
Accessory Size
  1. 2 inch 2 items
Color
Telescope Mount Type
  1. No Mount (OTA Only) 131 items
  2. Alt-Azimuth (AZ) 1 item
  3. Fork (Dual Arm) 8 items
Manufacturer
  1. Askar 19 items
  2. Celestron 12 items
  3. Coronado 1 item
  4. DayStar Filters 2 items
  5. Explore Scientific 1 item
  6. Founder Optics 3 items
  7. GSO 28 items
  8. Lunt Solar Systems 10 items
  9. Meade 17 items
  10. Sharpstar 10 items
  11. Sky Watcher 14 items
  12. Takahashi 9 items
  13. Tele Vue 8 items
  14. William Optics 38 items
  15. ZWO Astronomy Cameras 4 items
Telescope Series
  1. Askar APO 5 items
  2. Askar F 1 item
  3. Askar FRA 4 items
  4. Askar FMA 3 items
  5. Askar PHQ 5 items
  6. Askar V 1 item
  7. Celestron CGE 3 items
  8. Celestron CGEM HD 2 items
  9. Celestron RASA 3 items
  10. Coronado PST 1 item
  11. DayStar 2 items
  12. Explore Scientific FCD100 1 item
  13. Founder Optics FOT Apo 2 items
  14. Founder Optics Draco Refractor 1 item
  15. GSO Cassegrain 5 items
  16. GSO Standard Newtonian 6 items
  17. GSO Imaging Newtonian 7 items
  18. GSO Ritchey-Chrétien 10 items
  19. Lunt MT 10 items
  20. Meade ACF f/8 OTA 4 items
  21. Meade LX200-ACF 10 items
  22. Meade LX600-ACF 3 items
  23. Sharpstar Newtonian Astrographs 3 items
  24. Sharpstar Refractors 7 items
  25. Sky Watcher Esprit APO 4 items
  26. Sky Watcher EvoStar 3 items
  27. Sky Watcher ProEd 3 items
  28. Sky Watcher Skymax 1 item
  29. Sky Watcher StarTravel 2 items
  30. Takahashi Epsilon 3 items
  31. Takahashi FC 2 items
  32. Takahashi FSQ 2 items
  33. Takahashi Mewlon 2 items
  34. William Optics FLT 10 items
  35. William Optics GT 9 items
  36. William Optics GuideStar 5 items
  37. William Optics RedCat 8 items
  38. William Optics Pleiades 2 items
  39. William Optics Zenith Star 5 items
  40. ZWO Refractors 4 items
Telescope Aperture
  1. Up to 2" [51mm] 9 items
  2. 2.1 - 3" [76mm] 13 items
  3. 2.1 - 3" [76mm] 16 items
  4. 3.1 - 4" [102mm] 40 items
  5. 4.1 - 5" [127mm] 15 items
  6. 5.1 - 6" [153mm] 26 items
  7. 6.1 - 8" [203mm] 19 items
  8. 8.1 - 10" [254mm] 11 items
  9. 10.1 - 12" [305mm] 11 items
  10. 12.1 - 16" [407mm] 12 items
Telescope Optical Design
  1. Solar 11 items
  2. Advanced Coma Free (ACF) 17 items
  3. Aplanatic Schmidt (EdgeHD) 4 items
  4. Astrograph 9 items
  5. Maksutov-Cassegrain 1 item
  6. Schmidt-Cassegrain 3 items
  7. Cassegrain Reflector 7 items
  8. Newtonian Reflector 14 items
  9. Ritchey-Chretien 10 items
  10. Doublet (Achromat) 2 items
  11. Doublet (Apochromat) 15 items
  12. Triplet (Apochromat) 29 items
  13. Petzval 21 items
Telescope Focal Length
  1. Up to 300mm 11 items
  2. 301 - 400mm 12 items
  3. 401 - 500mm 21 items
  4. 501 - 600mm 23 items
  5. 601 - 700mm 4 items
  6. 701 - 800mm 14 items
  7. 801 - 900mm 6 items
  8. 901 - 1000mm 15 items
  9. 1001 - 1250mm 5 items
  10. 1251 - 1500mm 5 items
  11. 1501 - 1750mm 2 items
  12. 1751 - 2000mm 5 items
  13. 2001 - 2500mm 16 items
  14. 2501 - 3000m 6 items
  15. Greater than 3000mm 10 items
Telescope Focal Ratio
  1. Up to f/4 16 items
  2. f/4.1 - f/5 19 items
  3. f/5.1 - f/6 30 items
  4. f/6.1 - f/7 37 items
  5. f/7.1 - f/8 27 items
  6. f/8.1 - f/9 2 items
  7. f/9.1 - f/10 17 items
  8. f/10.1 - f/11 1 item
  9. f/11.1 - f/12 7 items
  10. f/12.1 - f/13 1 item
  11. Greater than f/13 2 items
Experience Level
  1. Beginner 10 items
  2. Intermediate 68 items
  3. Advanced 30 items
Stock
  1. In Stock 122 items
  2. Out of Stock 54 items
Price
  1. $0.00 - $500.00 14 items
  2. $500.00 - $1,000.00 37 items
  3. $1,000.00 - $1,500.00 15 items
  4. $1,500.00 - $2,000.00 24 items
  5. $2,000.00 - $2,500.00 14 items
  6. $2,500.00 - $3,000.00 9 items
  7. $3,000.00 - $3,500.00 12 items
  8. $3,500.00 - $4,000.00 3 items
  9. $4,000.00 - $4,500.00 12 items
  10. $4,500.00 - $5,000.00 5 items
  11. $5,000.00 - $5,500.00 2 items
  12. $5,500.00 - $6,000.00 5 items
  13. $6,000.00 - $6,500.00 4 items
  14. $6,500.00 - $7,000.00 2 items
  15. $7,000.00 - $7,500.00 4 items
  16. $7,500.00 - $8,000.00 5 items
  17. $8,000.00 - $8,500.00 2 items
  18. $9,000.00 - $9,500.00 2 items
  19. $10,000.00 - $10,500.00 1 item
  20. $10,500.00 - $11,000.00 1 item
  21. $13,500.00 - $14,000.00 1 item
  22. $16,500.00 - $17,000.00 1 item
  23. $18,500.00 - $19,000.00 1 item
$ - $