Refractor OTA Optical Tubes (OTA) Telescopes, Best Rated
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  Optical Tubes (OTA) > Refractor OTA (63 Items)

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Astronomy Technologies Astro-Tech AT72ED 72mm f/6 ED Doublet Refractor OTA, black tube
Astronomy Technologies Astro-Tech AT72ED 72mm f/6 ED Doublet Refractor OTA, black tube
Item No. 658-12010
Manuf. No. Astro-Tech AT72BK

Astronomy Technologies Astro-Tech AT72BK Telescope OTA, AT72ED 72mm f/6 ED Doublet Refractor, black tube
 
Our Price: $379.00
Buy Astronomy Technologies Astro-Tech AT72ED 72mm f/6 ED Doublet Refractor OTA, black tube
 

Explore Scientific OTA, Triplet Air-Spaced ED Apochromat Refractors Optical Tube Assemblies, 127mm f/7.5
Explore Scientific OTA, Triplet Air-Spaced ED Apochromat Refractors Optical Tube Assemblies, 127mm f/7.5
Item No. 637-00601
Manuf. No. Explore Scientific TED127075-CF

Explore Scientific TED127075-00-CARB, ED Apochromat Refractors Telescope OTA,
MSRP: $3,800.00
Our Price: $2,499.99
Buy Explore Scientific OTA, Triplet Air-Spaced ED Apochromat Refractors Optical Tube Assemblies, 127mm f/7.5
You Save $1,300.01

Officina Stellare Hiper APO 105 Triplet Refractor OTA
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Officina Stellare Hiper APO 105 Triplet Refractor OTA
Item No. 184-10200

Focal lenth: 650 mm (400 mm @ F/3.8), F / ratio: F/6.2 native
MSRP: $7,946.00
Our Price: $6,356.53
Buy Officina Stellare Hiper APO 105 Triplet Refractor OTA
You Save $1,589.47

Officina Stellare Hiper APO 115 Triplet Refractor OTA
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Officina Stellare Hiper APO 115 Triplet Refractor OTA
Item No. 184-10150

Focal lenth: 805 mm (500 mm @ F/4.3), F / ratio: F/7 native
MSRP: $8,298.00
Our Price: $6,638.13
Buy Officina Stellare Hiper APO 115 Triplet Refractor OTA
You Save $1,659.87

Officina Stellare Hiper APO 130 Triplet Refractor OTA
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Officina Stellare Hiper APO 130 Triplet Refractor OTA
Item No. 184-10100

Focal lenth 780 mm (480 mm @ F/3.75), Clear diameter: 130 mm
MSRP: $12,940.00
Our Price: $10,351.73
Buy Officina Stellare Hiper APO 130 Triplet Refractor OTA
You Save $2,588.27

Officina Stellare Hiper APO 180 Triplet Refractor OTA
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Officina Stellare Hiper APO 180 Triplet Refractor OTA
Item No. 184-10000

Zero Expansion close carbon tube design, 3.5 inches FT focuser. Adjustable focal plane, ventilation fans
MSRP: $41,419.00
Our Price: $33,134.93
Buy Officina Stellare Hiper APO 180 Triplet Refractor OTA
You Save $8,284.07

Explore Scientific 127mm f/7.5 Air-Spaced Triplet ED Apochromatic Refractor
Explore Scientific 127mm f/7.5 Air-Spaced Triplet ED Apochromatic Refractor
Item No. 637-00600
Manuf. No. Explore Scientific TED127075-00

You can be confident that the quality and construction of these telescopes will allow heavy use for many years and are backed with a transferrable Five Year USA Limited Warranty.
MSRP: $3,000.00
Our Price: $1,999.99
Buy Explore Scientific 127mm f/7.5 Air-Spaced Triplet ED Apochromatic Refractor
You Save $1,000.01

Explore Scientific 102mm f/7 Air-Spaced Triplet ED Apochromatic Refractor
Explore Scientific 102mm f/7 Air-Spaced Triplet ED Apochromatic Refractor
Item No. 637-00500
Manuf. No. Explore Scientific TED10207-00

Explore Scientific TED10207-00 ED Apochromatic Refractor telescopes include a precision Ten-to-One, Dual-Speed Focuser as standard equipment.
MSRP: $2,100.00
Our Price: $1,399.99
Buy Explore Scientific 102mm f/7 Air-Spaced Triplet ED Apochromatic Refractor
You Save $700.01

Explore Scientific 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor
Explore Scientific 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor
Item No. 637-00400
Manuf. No. Explore Scientific TED0806-00

Explore Scientific TED0806-00, 80mm Air-Spaced Triplet ED Apochromatic Refractor uses ED (Extra-low Dispersion) FCD1 (Dense Fluor Crown) glass
MSRP: $1,300.00
Our Price: $849.99
Buy Explore Scientific 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor
You Save $450.01

Explore Scientific AR152 f/6.5 Air-Spaced Doublet Achromat Refractor
Explore Scientific AR152 f/6.5 Air-Spaced Doublet Achromat Refractor
Item No. 637-00200
Manuf. No. Explore Scientific DAR152065-01

Explore Scientific DAR152065-00 Air-Spaced Doublet Achromat Refractor. The AR152 (six-inch), with its larger aperture optics gathers 44% more light over the AR127 (five-inch) model
MSRP: $1,300.00
Our Price: $749.99
Buy Explore Scientific AR152 f/6.5 Air-Spaced Doublet Achromat Refractor
You Save $550.01

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