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Catadioptric Telescopes

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  • Celestron Celestron 925 CPC Deluxe with EdgeHD Optics - 11008
    $3,259.00 $3,009.00
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  • Celestron Celestron 925 CPC SCT Computerized Telescope with Free 2" Diagonal - 11074-XLT
    $2,499.00 $2,249.00
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  • Celestron Celestron Advanced VX Series 9.25" Schmidt-Cassegrain Go To Telescope - 12046
    $2,249.00
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  • Meade Meade 12" LX600 ACF (f/8) Telescope with StarLock - 1208-70-01
    $5,599.00 $4,999.00
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  • Meade Meade 12" LX850 ACF Telescope with Starlock - 1208-85-01
    $9,099.00
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  • Celestron Celestron 9.25" NexStar Evolution Computerized Telescope - 12092
    $2,199.00
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  • Guan Sheng Optical GSO 12" f/8 Ritchey-Chretien Optical Tube - Truss Tube OTA - 12RCT
    $4,295.00
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  • Celestron NexStar Evolution 9.25 Telescope Bundle
    Celestron Celestron NexStar Evolution 9.25 Telescope Bundle - 12092-BUN1
    $2,465.45 $2,299.95
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  • Meade Meade 12" f/8 ACF OTA with UHTC - 1208-80-01
    $3,359.00 $2,959.00
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  • Celestron 9.25
    Celestron Celestron CGX 925 SCT Computerized Telescope - 12051
    $3,299.00
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  • Celestron Celestron CGX 925 EdgeHD Computerized Telescope - 12056
    $4,199.00
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  • Celestron 9.25
    Celestron Celestron CGEM II 925 SCT Computerized Telescope - 12011
    $2,649.00
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  • Celestron 9.25
    Celestron Celestron CGEM II 925 EdgeHD Computerized Telescope - 12018
    $3,549.00
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  • Celestron 925 SCT on CGX-L Equatorial Mount
    Celestron Celestron CGX-L 925 SCT Computerized Telescope - 12070
    $4,599.00
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  • Celestron 925 EdgeHD on CGX-L Mount
    Celestron Celestron CGX-L 925 EdgeHD Computerized Telescope - 12075
    $5,499.00
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  • iOptron 12
    iOptron iOptron 12" Photron Truss Tube Ritchey-Chretien Telescope - 6115
    $4,295.00
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  • Celestron Celestron 9.25" NexStar Evolution Optical Tube Assembly - 12092 - Used
    $2,199.00 $999.00
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  • Celestron Celestron C9.25 SCT Aluminum Optical Tube with CG-5 Dovetail - 91025-XLT
    $1,499.95 $1,184.95
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  • Celestron Celestron C9.25 SCT Aluminum Optical Tube with CGE Dovetail - 91027-XLT
    $1,469.95 $1,184.95
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  • Celestron Celestron EdgeHD 925 OTA - 9.25" f/10 HD Aplanatic SCT Optical Tube Assembly - CGE Dovetail - 91040-XLT
    $2,399.00
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  • Meade Meade 12" LX600 ACF (f/8) Telescope with StarLock - No Tripod - 1208-70-01N
    $5,169.00 $4,619.00
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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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