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. Lunt Solar 100mm f/7 Universal Day & Night Use Modular Telescope - Starter Package
    Lunt Solar 100mm f/7 Universal Day & Night Use Modular Telescope - Starter Package
    Our Price: $6,899.00
    Out of Stock
    Free Contiguous US Shipping
  2. Lunt Solar 100mm f/7 Universal Day & Night Use Modular Telescope - Observer Package
    Lunt Solar 100mm f/7 Universal Day & Night Use Modular Telescope - Observer Package
    Our Price: $7,430.00
    Out of Stock
    Free Contiguous US Shipping
  3. Lunt Solar 100mm f/7 Universal Day & Night Use Modular Telescope - Advanced Package
    Lunt Solar 100mm f/7 Universal Day & Night Use Modular Telescope - Advanced Package
    Our Price: $9,268.00
    In Stock
    Free Contiguous US Shipping
  4. Sharpstar Z4 100mm f/5.5 6-Element Apo Astrograph Telescope
    Sharpstar Z4 100mm f/5.5 6-Element Apo Astrograph Telescope
    Our Price: $2,099.00
    In Stock
    Free US Shipping
  5. Takahashi FC-100DC f/7.4 Fluorite Refractor OTA # TFK10010 front view
    Takahashi FC-100DC f/7.4 Fluorite Refractor OTA # TFK10010
    Our Price: $2,510.00
    In Stock
    Free Contiguous US Shipping
  6. New
    Takahashi FC-100DF Fluorite Refractor Telescope OTA # TFK10110
    Takahashi FC-100DF Fluorite Refractor Telescope OTA # TFK10110
    Our Price: $2,750.00
    Out of Stock
    Free Contiguous US Shipping
  7. Tele Vue 101mm f/5.4 Apo Nagler-Petzval Imaging/Visual Refractor # TV-NP101is
    Tele Vue NP101is 101mm f/5.4 Apo Nagler-Petzval Imaging/Visual Refractor OTA # NPI-4057
    Our Price: $4,267.00
    In Stock
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  8. Sky-Watcher Skymax 102mm Maksutov-Cassegrain Telescope with AZ-GTi Mount # S21120
    Sky-Watcher Skymax 102mm Maksutov-Cassegrain Telescope with AZ-GTi Mount # S21120
    Our Price: $680.00
    In Stock
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  9. Discontinued
    Sky-Watcher StarTravel 80mm Refractor Telescope with AZ-GTe Mount # S21150
    Sky-Watcher StarTravel 80mm Refractor Telescope with AZ-GTe Mount # S21150
    Sale Price: $399.00 Our Price: $540.00
    Out of Stock
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  10. Sky-Watcher StarTravel 102mm Refractor Telescope with AZ-GTe Mount # S21160
    Sky-Watcher StarTravel 102mm Refractor Telescope with AZ-GTe Mount # S21160
    Our Price: $610.00
    In Stock
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  11. Founder Optics FOT106 ED 106mm f/6 Triplet Apo Refractor Telescope
    Founder Optics FOT106 ED 106mm f/6 Triplet Apo Refractor Telescope
    Our Price: $2,399.00
    In Stock
    Free Contiguous US Shipping
  12. Coming Soon
    Takahashi FSQ-106EDX4 f/5 Petzval Refracting Telescope OTA # TQE10630
    Takahashi FSQ-106EDX4 f/5 Petzval Refractor Telescope OTA # TQE10630
    Our Price: $7,330.00
    Out of Stock
    Free Contiguous US Shipping
  13. Askar 107PHQ 107mm f/7 Quadruplet Flat-Field Astrograph # 107PHQ
    Askar 107PHQ 107mm f/7 Quadruplet Flat-Field Astrograph # 107PHQ
    Our Price: $2,495.00
    In Stock
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  14. On Sale
    ZWO FF107 Apo 107mm f/7 Petzval Refractor Telescope # FF107-APO
    ZWO FF107 Apo 107mm f/7 Petzval Refractor Telescope # FF107-APO
    Sale Price: $1,999.00 Our Price: $2,499.00
    Out of Stock
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  15. Askar FRA600 108mm f/5.6 Quintuplet Petzval Flat-Field Astrograph # FRA600
    Askar FRA600 108mm f/5.6 Quintuplet Petzval Flat-Field Astrograph # FRA600
    Our Price: $2,599.00
    In Stock
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  16. New
    William Optics Pleiades 111mm f/4.8 Astrograph Telescope # T-P-111BU with bahtinov mask
    William Optics Pleiades 111mm f/4.8 Astrograph Telescope # T-P-111BU
    Our Price: $3,798.00
    Out of Stock
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  17. On Sale
    Sky-Watcher Esprit 120mm ED Triplet Apo Refractor OTA # S11420
    Sky-Watcher Esprit 120mm ED Triplet Apo Refractor OTA # S11420
    Sale Price: $3,299.00 Our Price: $4,165.00
    In Stock
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  18. On Sale
    Sky-Watcher EvoStar 120ED APO Refractor # S11130
    Sky-Watcher EvoStar 120ED APO Refractor # S11130
    Sale Price: $1,999.00 Our Price: $2,490.00
    In Stock
    Free Contiguous US Shipping
  19. William Optics FLT 120 Fluorostar 120mm f/6.5 Triplet Apo Refractor with Carry Case - Available in 3 Colors
    William Optics FLT 120 Fluorostar 120mm f/6.5 Triplet Apo Refractor with Carry Case - Availa...
    From Our Price: $3,298.00
    More Info
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  20. Askar 120 APO 120mm f/7 Triplet Refractor Telescope # 120APO
    Askar 120 APO 120mm f/7 Triplet Refractor Telescope # 120APO
    Our Price: $1,499.00
    In Stock
    Free Contiguous US Shipping
  21. Tele Vue NP127is Imaging System 127mm f/5.2 Apo Nagler-Petzval Refractor OTA # NPI-5054
    Tele Vue NP127is Imaging System 127mm f/5.2 Apo Nagler-Petzval Refractor OTA # NPI-5054
    Our Price: $7,373.00
    In Stock
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  22. Explore Scientific FCD100 Series 127mm f/7.5 Carbon Fiber Apochromatic Refractor Telescope # FCD100-127075-CF
    Explore Scientific FCD100 Series 127mm f/7.5 Carbon Fiber Apochromatic Refractor Telescope #...
    Our Price: $3,379.99
    Out of Stock
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  23. Tele Vue NP127fli 127mm f/5.2 Apo Nagler-Petzval Astrograph OTA # NPF-5055
    Tele Vue NP127fli 127mm f/5.2 Apo Nagler-Petzval Astrograph OTA # NPF-5055
    Our Price: $7,668.00
    Drop Ship
    Free Contiguous US Shipping
  24. 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
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  1. coming-soon 5 items
  2. discontinued 6 items
  3. new 83 items
  4. sale 1 item
  5. special 7 items
Accessory Size
  1. 2 inch 2 items
Color
Telescope Mount Type
  1. No Mount (OTA Only) 130 items
  2. Alt-Azimuth (AZ) 1 item
  3. Fork (Dual Arm) 8 items
Manufacturer
  1. Askar 18 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 4 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] 18 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) 28 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 4 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 36 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 29 items
Stock
  1. In Stock 123 items
  2. Out of Stock 52 items
Price
  1. $0.00 - $500.00 14 items
  2. $500.00 - $1,000.00 37 items
  3. $1,000.00 - $1,500.00 14 items
  4. $1,500.00 - $2,000.00 25 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 4 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
$ - $