Optical Tubes (OTA) Telescopes, Top Rated
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  Optical Tubes (OTA) (141 Items)

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Officina Stellare Hiper APO 152 Triplet refractor OTA
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Officina Stellare Hiper APO 152 Triplet refractor OTA
Item No. 184-10050

OTA assembly type: Carbon close tube / CNC aluminum, APO 152
MSRP: $17,932.00
Our Price: $14,345.47
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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
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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
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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 - The David H. Levy Comet Hunter - Special Edition Optical Tube Assembly
Explore Scientific - The David H. Levy Comet Hunter - Special Edition Optical Tube Assembly
Item No. 637-00300
Manuf. No. Explore Scientific MN06048CF-01

Explore Scientific MN06048CF-00, Maksutov-Newtonian Optical Tube assembly, showing faint objects over a wide field of view (generally two degrees or more).
MSRP: $1,800.00
Our Price: $1,199.99
Buy Explore Scientific - The David H. Levy Comet Hunter - Special Edition Optical Tube Assembly
You Save $600.01

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
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You Save $550.01

Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromat Refractor
Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromat Refractor
Item No. 637-00100
Manuf. No. Explore Scientific DAR127065-01

Explore Scientific DAR127065-00 doublet achromatic refractor, AR127 f/6.5 Air-Spaced
MSRP: $980.00
Our Price: $649.99
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You Save $330.01

Takahashi FRC-300 - 300mm Baker Ritchey Chretien Astrograph - Includes Tube Holder
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Takahashi FRC-300 - 300mm Baker Ritchey Chretien Astrograph - Includes Tube Holder
Item No. 611-50750
Manuf. No. Takahashi TRC0300

This newest flat field astrograph is designed to produce a flat 90 image circle for medium format photography or CCD imagery
 
Our Price: $23,905.00
Buy Takahashi FRC-300 - 300mm Baker Ritchey Chretien Astrograph - Includes Tube Holder
 

Barska Magnus ED 390x65 ED Glass Fully Multicoated Refractor Telescope OTA
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Barska Magnus ED 390x65 ED Glass Fully Multicoated Refractor Telescope OTA
Item No. 156-10010
Manuf. No. Barska AE11118

Extra Low Dispersion (ED) glass and multi-coated optics on this Barska Telescope, produce images that are sharp edge to edge with no chromatic aberration and color fringing
MSRP: $1,000.00
Our Price: $474.99
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You Save $525.01

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