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C8-A XLT Optical Tube Assembly
Celestron
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- Celestron
- Regular price
- $1,349.95
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C9.25-A XLT Optical Tube Assembly (91027-XLT)
Celestron
- Vendor
- Celestron
- Regular price
- $1,899.95
- Sale price
- save $-1,899.95
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CCA-250 (Modified Cassegrain Telescope)
Takahashi
- Vendor
- Takahashi
- Regular price
- $15,610
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- save $-15,610
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CDK20 Optical Tube Assembly (F/6.8)
Planewave
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- Planewave
- Regular price
- $34,000
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- save $-34,000
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CDK20 Optical Tube Assembly (F/7.77)
Planewave
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- Planewave
- Regular price
- $34,000
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- save $-34,000
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- per
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CDK24 Optical Tube Assembly
Planewave
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- Planewave
- Regular price
- $63,500
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- save $-63,500
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CDK350 Observatory System
Planewave
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- Planewave
- Regular price
- $29,500
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- save $-29,500
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CDK400 Observatory System
Planewave
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- Planewave
- Regular price
- $44,500
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- save $-44,500
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CDK500 Observatory System
Planewave
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- Planewave
- Regular price
- $56,000
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- save $-56,000
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CDK600 Observatory System
Planewave
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- Planewave
- Regular price
- $97,500
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- save $-97,500
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CGEM II 1100 Edge HD Telescope (12019)
Celestron
- Vendor
- Celestron
- Regular price
- $5,699
- Sale price
- save $-5,699
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CGEM II 1100 Schmidt-Cassegrain Telescope (12012)
Celestron
- Vendor
- Celestron
- Regular price
- $4,599
- Sale price
- save $-4,599
- Unit price
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CGEM II 700 Maksutov Cassegrain Telescope (12016)
Celestron
- Vendor
- Celestron
- Regular price
- $3,499
- Sale price
- save $-3,499
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- per
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CGEM II 8" Rowe-Ackermann Schmidt Astrograph (12020)
Celestron
- Vendor
- Celestron
- Regular price
- $3,799
- Sale price
- save $-3,799
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CGEM II 800 Edge HD Telescope (12017)
Celestron
- Vendor
- Celestron
- Regular price
- $3,399
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- save $-3,399
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CGEM II 800 Schmidt-Cassegrain Telescope (12010)
Celestron
- Vendor
- Celestron
- Regular price
- $2,999
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- save $-2,999
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CGEM II 925 Edge HD Telescope (12018)
Celestron
- Vendor
- Celestron
- Regular price
- $4,599
- Sale price
- save $-4,599
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CGEM II 925 Schmidt-Cassegrain Telescope (12011)
Celestron
- Vendor
- Celestron
- Regular price
- $3,399
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- save $-3,399
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CGX 1100 Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope (12060)
Celestron
- Vendor
- Celestron
- Regular price
- $6,499
- Sale price
- save $-6,499
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CGX 700 Maksutov Cassegrain Telescope (12049)
Celestron
- Vendor
- Celestron
- Regular price
- $4,199
- Sale price
- save $-4,199
- Unit price
- per
-
CGX 8" Rowe-Ackermann Schmidt Astrograph (12058)
Celestron
- Vendor
- Celestron
- Regular price
- $4,599
- Sale price
- save $-4,599
- Unit price
- per
-
CGX Equatorial 1100 HD Telescope (12057)
Celestron
- Vendor
- Celestron
- Regular price
- $6,399
- Sale price
- save $-6,399
- Unit price
- per
-
CGX Equatorial 1100 Schmidt-Cassegrain Telescope (12052)
Celestron
- Vendor
- Celestron
- Regular price
- $5,299
- Sale price
- save $-5,299
- Unit price
- per
-
CGX Equatorial 800 HD Telescope (12055)
Celestron
- Vendor
- Celestron
- Regular price
- $4,099
- Sale price
- save $-4,099
- Unit price
- per
-
CGX Equatorial 800 Schmidt-Cassegrain Telescope (12050)
Celestron
- Vendor
- Celestron
- Regular price
- $3,799
- Sale price
- save $-3,799
- Unit price
- per
-
CGX Equatorial 925 HD Telescope (12056)
Celestron
- Vendor
- Celestron
- Regular price
- $5,299
- Sale price
- save $-5,299
- Unit price
- per
-
CGX Equatorial 925 Schmidt-Cassegrain Telescope (12051)
Celestron
- Vendor
- Celestron
- Regular price
- $4,199
- Sale price
- save $-4,199
- Unit price
- per
-
CGX-L 1100 Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope (12074)
Celestron
- Vendor
- Celestron
- Regular price
- $8,099
- Sale price
- save $-8,099
- Unit price
- per
-
CGX-L Equatorial 1100 HD Telescope (12076)
Celestron
- Vendor
- Celestron
- Regular price
- $8,099
- Sale price
- save $-8,099
- Unit price
- per
-
CGX-L Equatorial 1100 Schmidt-Cassegrain Telescope (12071)
Celestron
- Vendor
- Celestron
- Regular price
- $6,999
- Sale price
- save $-6,999
- Unit price
- per
-
CGX-L Equatorial 1400 HD Telescopes (12077)
Celestron
- Vendor
- Celestron
- Regular price
- $10,999
- Sale price
- save $-10,999
- Unit price
- per
-
CGX-L Equatorial 1400 Schmidt-Cassegrain Telescopes (12072)
Celestron
- Vendor
- Celestron
- Regular price
- $9,799
- Sale price
- save $-9,799
- Unit price
- per
-
C8-A XLT Optical Tube AssemblyCelestron
- Vendor
- Celestron
- Regular price
- $ 1,349.95
- Sale price
- $ 1,349.95
- Unit price
- per
-
C9.25-A XLT Optical Tube Assembly (91027-XLT)Celestron
- Vendor
- Celestron
- Regular price
- $ 1,899.95
- Sale price
- $ 1,899.95
- Unit price
- per
-
CCA-250 (Modified Cassegrain Telescope)Takahashi
- Vendor
- Takahashi
- Regular price
- $ 15,610.00
- Sale price
- $ 15,610.00
- Unit price
- per
-
CDK20 Optical Tube Assembly (F/6.8)Planewave
- Vendor
- Planewave
- Regular price
- $ 34,000.00
- Sale price
- $ 34,000.00
- Unit price
- per
-
CDK20 Optical Tube Assembly (F/7.77)Planewave
- Vendor
- Planewave
- Regular price
- $ 34,000.00
- Sale price
- $ 34,000.00
- Unit price
- per
-
CDK24 Optical Tube AssemblyPlanewave
- Vendor
- Planewave
- Regular price
- $ 63,500.00
- Sale price
- $ 63,500.00
- Unit price
- per
-
CDK350 Observatory SystemPlanewave
- Vendor
- Planewave
- Regular price
- $ 29,500.00
- Sale price
- $ 29,500.00
- Unit price
- per
-
CDK400 Observatory SystemPlanewave
- Vendor
- Planewave
- Regular price
- $ 44,500.00
- Sale price
- $ 44,500.00
- Unit price
- per
-
CDK500 Observatory SystemPlanewave
- Vendor
- Planewave
- Regular price
- $ 56,000.00
- Sale price
- $ 56,000.00
- Unit price
- per
-
CDK600 Observatory SystemPlanewave
- Vendor
- Planewave
- Regular price
- $ 97,500.00
- Sale price
- $ 97,500.00
- Unit price
- per
-
CGEM II 1100 Edge HD Telescope (12019)Celestron
- Vendor
- Celestron
- Regular price
- $ 5,699.00
- Sale price
- $ 5,699.00
- Unit price
- per
-
CGEM II 1100 Schmidt-Cassegrain Telescope (12012)Celestron
- Vendor
- Celestron
- Regular price
- $ 4,599.00
- Sale price
- $ 4,599.00
- Unit price
- per
-
CGEM II 700 Maksutov Cassegrain Telescope (12016)Celestron
- Vendor
- Celestron
- Regular price
- $ 3,499.00
- Sale price
- $ 3,499.00
- Unit price
- per
-
CGEM II 8" Rowe-Ackermann Schmidt Astrograph (12020)Celestron
- Vendor
- Celestron
- Regular price
- $ 3,799.00
- Sale price
- $ 3,799.00
- Unit price
- per
-
CGEM II 800 Edge HD Telescope (12017)Celestron
- Vendor
- Celestron
- Regular price
- $ 3,399.00
- Sale price
- $ 3,399.00
- Unit price
- per
-
CGEM II 800 Schmidt-Cassegrain Telescope (12010)Celestron
- Vendor
- Celestron
- Regular price
- $ 2,999.00
- Sale price
- $ 2,999.00
- Unit price
- per
-
CGEM II 925 Edge HD Telescope (12018)Celestron
- Vendor
- Celestron
- Regular price
- $ 4,599.00
- Sale price
- $ 4,599.00
- Unit price
- per
-
CGEM II 925 Schmidt-Cassegrain Telescope (12011)Celestron
- Vendor
- Celestron
- Regular price
- $ 3,399.00
- Sale price
- $ 3,399.00
- Unit price
- per
-
CGX 1100 Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope (12060)Celestron
- Vendor
- Celestron
- Regular price
- $ 6,499.00
- Sale price
- $ 6,499.00
- Unit price
- per
-
CGX 700 Maksutov Cassegrain Telescope (12049)Celestron
- Vendor
- Celestron
- Regular price
- $ 4,199.00
- Sale price
- $ 4,199.00
- Unit price
- per
-
CGX 8" Rowe-Ackermann Schmidt Astrograph (12058)Celestron
- Vendor
- Celestron
- Regular price
- $ 4,599.00
- Sale price
- $ 4,599.00
- Unit price
- per
-
CGX Equatorial 1100 HD Telescope (12057)Celestron
- Vendor
- Celestron
- Regular price
- $ 6,399.00
- Sale price
- $ 6,399.00
- Unit price
- per
-
CGX Equatorial 1100 Schmidt-Cassegrain Telescope (12052)Celestron
- Vendor
- Celestron
- Regular price
- $ 5,299.00
- Sale price
- $ 5,299.00
- Unit price
- per
-
CGX Equatorial 800 HD Telescope (12055)Celestron
- Vendor
- Celestron
- Regular price
- $ 4,099.00
- Sale price
- $ 4,099.00
- Unit price
- per
-
CGX Equatorial 800 Schmidt-Cassegrain Telescope (12050)Celestron
- Vendor
- Celestron
- Regular price
- $ 3,799.00
- Sale price
- $ 3,799.00
- Unit price
- per
-
CGX Equatorial 925 HD Telescope (12056)Celestron
- Vendor
- Celestron
- Regular price
- $ 5,299.00
- Sale price
- $ 5,299.00
- Unit price
- per
-
CGX Equatorial 925 Schmidt-Cassegrain Telescope (12051)Celestron
- Vendor
- Celestron
- Regular price
- $ 4,199.00
- Sale price
- $ 4,199.00
- Unit price
- per
-
CGX-L 1100 Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope (12074)Celestron
- Vendor
- Celestron
- Regular price
- $ 8,099.00
- Sale price
- $ 8,099.00
- Unit price
- per
-
CGX-L Equatorial 1100 HD Telescope (12076)Celestron
- Vendor
- Celestron
- Regular price
- $ 8,099.00
- Sale price
- $ 8,099.00
- Unit price
- per
-
CGX-L Equatorial 1100 Schmidt-Cassegrain Telescope (12071)Celestron
- Vendor
- Celestron
- Regular price
- $ 6,999.00
- Sale price
- $ 6,999.00
- Unit price
- per
-
CGX-L Equatorial 1400 HD Telescopes (12077)Celestron
- Vendor
- Celestron
- Regular price
- $ 10,999.00
- Sale price
- $ 10,999.00
- Unit price
- per
-
CGX-L Equatorial 1400 Schmidt-Cassegrain Telescopes (12072)Celestron
- Vendor
- Celestron
- Regular price
- $ 9,799.00
- Sale price
- $ 9,799.00
- Unit price
- per
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A catadioptric optical system is one that employs both lenses and mirrors to focus the image. Perhaps the most popular catadioptric among amateur astronomers, the Schmidt-Cassegrain Telescope (or SCT) uses a combination of spherical primary and secondary mirrors, along with a corrector plate (lens) that helps correct for aberrations. You’ll spend a little more money on this design because it’s more complex to build than a reflector, but the combo of aperture and transportability is hard to resist.
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.