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Catadioptric Telescopes

Items 1 - 25 of 42

Celestron Advanced VX Series 8" Schmidt-Cassegrain Go To Telescope - 12026

SKU: CEL-12026
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 203.2mm (8")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
  • Extra Free Accessories: Celestron Polar Scope for AVX Mount
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$1,739.00

Celestron Advanced VX Series 8" EdgeHD Go To Telescope - 12031

SKU: CEL-12031
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 203.2mm (8")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
  • Extra Free Accessories: Celestron Polar Scope for AVX Mount
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$2,149.00 $1,934.00

Celestron Advanced VX Series 9.25" Schmidt-Cassegrain Go To Telescope - 12046

SKU: CEL-12046
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 235mm (9.25")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
  • Extra Free Accessories: Celestron Polar Scope for AVX Mount
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$2,249.00

Celestron Advanced VX Series 11" Schmidt-Cassegrain Go To Telescope - 12067

SKU: CEL-12067
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 280mm (11.02")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
  • Extra Free Accessories: Celestron Polar Scope for AVX Mount
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$2,859.00

Celestron Advanced VX Series 6" Schmidt Cassegrain Go To Telescope - 12079

SKU: CEL-12079
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 150mm (5.9")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
  • Extra Free Accessories: Celestron Polar Scope for AVX Mount
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$1,329.00

Meade 10" LX850 ACF Telescope with Starlock - 1008-85-01

SKU: MEA-1008-85-01
  • Optical Design: Meade ACF
  • Telescope Aperture: 254mm (10")
  • Focal Ratio: f/8
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$8,349.00

Meade 12" LX850 ACF Telescope with Starlock - 1208-85-01

SKU: MEA-1208-85-01
  • Optical Design: Meade ACF
  • Telescope Aperture: 305mm (12")
  • Focal Ratio: f/8
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$9,099.00

Meade 14" LX850 ACF Telescope with Starlock - 1408-85-01

SKU: MEA-1408-85-01
  • Optical Design: Meade ACF
  • Telescope Aperture: 355.6mm (14")
  • Focal Ratio: f/8
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$10,249.00

Orion StarMax 127 Maksutov-Cassegrain EQ Telescope - 09826

SKU: ORI-09826
  • Optical Design: Maksutov-Cassegrain
  • Telescope Aperture: 127mm (5")
  • Focal Ratio: f/12.1
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Manual Mount - No Electronics
$599.99

Orion SkyView Pro 180 mm GoTo Maksutov-Cassegrain Telescope - 24762

SKU: ORI-24762
  • Optical Design: Maksutov-Cassegrain
  • Telescope Aperture: 180mm (7.09")
  • Focal Ratio: f/15
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$2,099.99
Celestron 8" SCT on CGX Computerized Equatorial Mount

Celestron CGX 800 SCT Computerized Telescope - 12050

SKU: CEL-12050
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 203.2mm (8")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$2,999.00
Celestron 9.25" SCT on CGX Computerized Equatorial Mount

Celestron CGX 925 SCT Computerized Telescope - 12051

SKU: CEL-12051
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 235mm (9.25")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$3,299.00
Celestron 11" SCT on CGX Computerized Equatorial Mount

Celestron CGX 1100 SCT Computerized Telescope - 12052

SKU: CEL-12052
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 279.4mm (11")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$4,199.00
Celestron 925 SCT on CGX-L Equatorial Mount

Celestron CGX-L 925 SCT Computerized Telescope - 12070

SKU: CEL-12070
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 235mm (9.25")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$4,599.00
Celestron 1100 SCT on CGX-L Mount

Celestron CGX-L 1100 SCT Computerized Telescope - 12071

SKU: CEL-12071
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 279.4mm (11")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$5,499.00
Celestron 1400 SCT on CGX-L Mount

Celestron CGX-L 1400 Fastar SCT Computerized Telescope - 12072

SKU: CEL-12072
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 355.6mm (14")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$7,649.00
Celestron 925 EdgeHD on CGX-L Mount

Celestron CGX-L 925 EdgeHD Computerized Telescope - 12075

SKU: CEL-12075
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 235mm (9.25")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$5,499.00
Celestron 1400 EdgeHD Telescope on CGX-L Equatorial Mount

Celestron CGX-L 1100 EdgeHD Computerized Telescope - 12076

SKU: CEL-12076
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 279.4mm (11")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$6,399.00
Celestron 1400 EdgeHD on CGX-L Mount

Celestron CGX-L 1400 EdgeHD Computerized Telescope - 12077

SKU: CEL-12077
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 356mm (14.02")
  • Focal Ratio: f/11
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$8,699.00

Celestron CGX 800 EdgeHD Computerized Telescope - 12055

SKU: CEL-12055
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 203.2mm (8")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$3,299.00

Celestron CGX 925 EdgeHD Computerized Telescope - 12056

SKU: CEL-12056
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 235mm (9.25")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$4,199.00
Celestron 11" EdgeHD SCT on CGX Computerized Equatorial Mount

Celestron CGX 1100 EdgeHD Computerized Telescope - 12057

SKU: CEL-12057
  • Optical Design: Celestron EdgeHD
  • Telescope Aperture: 279.4mm (11")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$5,099.00
Celestron 8" SCT on CGEM II Computerized Equatorial Mount

Celestron CGEM II 800 SCT Computerized Telescope - 12010

SKU: CEL-12010
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 203.2mm (8")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$2,349.00
Celestron 9.25" SCT on CGEM II Computerized Equatorial Mount

Celestron CGEM II 925 SCT Computerized Telescope - 12011

SKU: CEL-12011
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 235mm (9.25")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$2,649.00
Celestron 11" SCT on CGEM II Computerized Equatorial Mount

Celestron CGEM II 1100 SCT Computerized Telescope - 12012

SKU: CEL-12012
  • Optical Design: Schmidt-Cassegrain
  • Telescope Aperture: 279.4mm (11")
  • Focal Ratio: f/10
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Computerized GoTo
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$3,549.00

The LX600 Catadioptric telescope design uses a combination of mirrors and lenses to gather light and form a sharp image. There is a wide range of popular telescopes for amateur astronomers, such as Schmidt-Cassegrain and Maksutov-Cassegrain telescopes, that are of the catadioptric design. There are also catadioptric telescopes for sale that are designed primarily for astrophotography or imaging, like the Ritchey-Chretien (RC), Meade ACF, and Celestron EdgeHD.

The Schmidt-Cassegrain Telescope, or SCT, is the most popular design in the broader catadioptric telescope line-up. The Schmidt-Cassegrain has a folded optical system consisting of a primary mirror and a corrector plate with the secondary mirror right in the center. This design allows the telescope tube to be much more compact than a Newtonian reflector or a Refractor. The most popular Schmidt-Cassegrain has a large 8" diameter mirror and an optical tube that is about 18" long - a perfect combination of good light-gathering and easy-to-carry portability.

The Maksutov-Cassegrain, or Mak-Cass, catadioptric telescope looks very much like an SCT but has a longer focal length due to the way the light travels inside the tube. The Maksutov-Cassegrain really shines when used for terrestrial or astronomical viewing, especially when turned to the Moon or planets, but it isn't the best choice for deep-sky astrophotography due to its long focal length when compared other catadioptric designs.

Catadioptrics optimized for imaging are rising in popularity as more amateur astronomers fall under the spell of astrophotography. These telescopes have a wide, flat field that works nicely with today's larger format DSLR and dedicated astronomy cameras. While many catadioptric telescopes for sale can be used for both visual astronomy and imaging, amateur astronomers who prefer visual observations or have a camera with a smaller sensor don't necessarily require the edge-to-edge flatness that a larger sensor does.

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